| FADM | Admiral of the Fleet Gensui |
| ADM | Admiral Taisho |
| VADM | Vice-admiral Chujo |
| RADM | Rear admiral Shosho |
| CAPT | Captain Daisa |
| CMDR | Commander Chusa |
| LCDR | Lieutenant commander Shosa |
| LT | Lieutenant Daii |
| LTJG | Lieutenant junior grade Chui |
| SUBLT | Sublieutenant or Ensign Shoi |
| MID | Midshipman Shoi-Kohosei / Shoi-Shiho / Shoi-Ho |
| VADM/E | Vice-admiral (engineer) Kikan Chujo |
| RADM/E | Rear admiral (engineer) Kikan Shosho |
| CAPT/E | Captain (engineer) Kikan Daisa |
| CMDR/E | Commander (engineer) Kikan Chusa |
| LCDR/E | Lieutenant commander (engineer) Kikan Shosa |
| LT/E | Lieutenant (engineer) Kikan Daii |
| LTJG/E | Lieutenant junior grade (engineer) Kikan Chui |
| SUBLT/E | Sublieutenant or Ensign (engineer) Kikan Shoi |
| MID/E | Midshipman (engineer) Kikan Shoi-Kohosei |
| E/GEN1 | Engineer General senior grade Kikan Sokan (Itto) |
| E/GEN | Engineer General Kikan Sokan |
| E/CAPT | Engineer Captain Kikan Daikan |
| E/CMDR | Engineer Commander Kikan Chukan |
| E/LCDR | Engineer Lieutenant commander Kikan Shokan |
| E/LT | Engineer Lieutenant Daikikanshi |
| E/LTJG | Engineer Lieutenant junior grade Chukikanshi |
| E/SUBLT | Engineer Sublieutenant or Ensign Shokikanshi |
| E/MID | Engineer Midshipman Shokikanshi-Kohosei / Kikanshi-Ho / Kikanshi-Fuku |
| VADM/S | Vice-admiral (surgeon) Gun-i Chujo |
| RADM/S | Rear admiral (surgeon) Gun-i Shosho |
| CAPT/S | Captain (surgeon) Gun-i Daisa |
| CMDR/S | Commander (surgeon) Gun-i Chusa |
| LCDR/S | Lieutenant commander (surgeon) Gun-i Shosa |
| LT/S | Lieutenant (surgeon) Gun-i Daii |
| LTJG/S | Lieutenant junior grade (surgeon) Gun-i Chui |
| SUBLT/S | Sublieutenant or Ensign (surgeon) Gun-i Shoi |
| MID/S | Midshipman (surgeon) Gun-i Shoi Kohosei |
| S/GEN1 | Surgeon General senior grade Gun-i Sokan (Itto) |
| S/GEN | Surgeon General Gun-i Sokan |
| S/CAPT | Surgeon Captain Gun-i Taikan |
| S/CMDR | Surgeon Commander Gun-i Chukan |
| S/LCDR | Surgeon Lieutenant commander Gun-i Shokan |
| S/LT | Surgeon Lieutenant Dai Gun-i |
| S/LTJG | Surgeon Lieutenant junior grade Chu Gun-i |
| S/SUBLT | Surgeon Sublieutenant or Ensign Sho Gun-i |
| S/MID | Surgeon Midshipman Sho Gun-i Kohosei / Gun-i-Ho / Gun-i-Fuku |
| RADM/A | Rear admiral (apothecary) Yakuzai Shosho |
| CAPT/A | Captain (apothecary) Yakuzai Daisa |
| CMDR/A | Commander (apothecary) Yakuzai Chusa |
| LCDR/A | Lieutenant commander (apothecary) Yakuzai Shosa |
| LT/A | Lieutenant (apothecary) Yakuzai Daii |
| LTJG/A | Lieutenant junior grade (apothecary) Yakuzai Chui |
| SUBLT/A | Sublieutenant or Ensign (apothecary) Yakuzai Shoi |
| MID/A | Midshipman (apothecary) Yakuzai Shoi Kohosei |
| A/CAPT | Apothecary Captain Yakuzai Taikan |
| A/CMDR | Apothecary Commander Yakuzai Chukan |
| A/LCDR | Apothecary Lieutenant commander Yakuzai Shokan |
| A/LT | Apothecary Lieutenant Dai Yakuzaishi |
| A/LTJG | Apothecary Lieutenant junior grade Chu Yakuzaishi |
| A/SUBLT | Apothecary Sublieutenant or Ensign Sho Yakuzaishi |
| A/MID | Apothecary Midshipman Sho Yakuzaishi Kohosei |
| VADM/P | Vice-admiral (paymaster) Shukei Chujo |
| RADM/P | Rear admiral (paymaster) Shukei Shosho |
| CAPT/P | Captain (paymaster) Shukei Daisa |
| CMDR/P | Commander (paymaster) Shukei Chusa |
| LCDR/P | Lieutenant commander (paymaster) Shukei Shosa |
| LT/P | Lieutenant (paymaster) Shukei Daii |
| LTJG/P | Lieutenant junior grade (paymaster) Shukei Chui |
| SUBLT/P | Sublieutenant or Ensign (paymaster) Shukei Shoi |
| MID/P | Midshipman (paymaster) Shukei Shoi Kohosei |
| P/GEN1 | Paymaster General senior grade Shukei Sokan (Itto) |
| P/GEN | Paymaster General Shukei Sokan |
| P/CAPT | Paymaster Captain Shukei Taikan |
| P/CMDR | Paymaster Commander Shukei Chukan |
| P/LCDR | Paymaster Lieutenant commander Shukei Shokan |
| P/LT | Paymaster Lieutenant Dai Shukei |
| P/LTJG | Paymaster Lieutenant junior grade Chu Shukei |
| P/SUBLT | Paymaster Sublieutenant or Ensign Sho Shukei |
| P/MID | Paymaster Midshipman Sho Shukei Kohosei / Shukei-Ho / Shukei-Fuku |
| VADM/C | Vice-admiral (constructor) Zosen Chujo |
| RADM/C | Rear admiral (constructor) Zosen Shosho |
| CAPT/C | Captain (constructor) Zosen Daisa |
| CMDR/C | Commander (constructor) Zosen Chusa |
| LCDR/C | Lieutenant commander (constructor) Zosen Shosa |
| LT/C | Lieutenant (constructor) Zosen Daii |
| LTJG/C | Lieutenant junior grade (constructor) Zonsen Chui |
| SUBLT/C | Sublieutenant or Ensign (constructor) Zosen Shoi |
| MID/C | Midshipman (constructor) Zosen Shoi Kohosei |
| C/GEN1 | Constructor General senior grade Zosen Sokan (Itto) |
| C/GEN | Constructor General Zosen Sokan |
| C/CAPT | Constructor Captain Zosen Taikan |
| C/CMDR | Constructor Commander Zosen Chukan |
| C/LCDR | Constructor Lieutenant commander Zosen Shokan |
| C/LT | Constructor Lieutenant Zosen Dai Gishi |
| C/LTJG | Constructor Lieutenant junior grade Zosen Chu Gishi |
| C/SUBLT | Constructor Sublieutenant or Ensign Zosen Sho Gishi |
| C/MID | Constructor Midshipman Zosen Sho Gishi Kohosei |
| VADM/G | Vice-admiral (engine constructor) Zoki Chujo |
| RADM/G | Rear admiral (engine constructor) Zoki Shosho |
| CAPT/G | Captain (engine constructor) Zoki Daisa |
| CMDR/G | Commander (engine constructor) Zoki Chusa |
| LCDR/G | Lieutenant commander (engine constructor) Zoki Shosa |
| LT/G | Lieutenant (engine constructor) Zoki Daii |
| LTJG/G | Lieutenant junior grade (engine constructor) Zoki Chui |
| SUBLT/G | Sublieutenant or Ensign (engine constructor) Zoki Shoi |
| MID/G | Midshipman (engine constructor) Zoki Shoi Kohosei |
| G/GEN1 | Engine Constructor General senior grade Zoki Sokan (Itto) |
| G/GEN | Engine Constructor General Zoki Sokan |
| G/CAPT | Engine Constructor Captain Zoki Taikan |
| G/CMDR | Engine Constructor Commander Zoki Chukan |
| G/LCDR | Engine Constructor Lieutenant commander Zoki Shokan |
| G/LT | Engine Constructor Lieutenant Zoki Dai Gishi |
| G/LTJG | Engine Constructor Lieutenant junior grade Zoki Chu Gishi |
| G/SUBLT | Engine Constructor Sublieutenant or Ensign Zoki Sho Gishi |
| G/MID | Engine Constructor Midshipman Zoki Sho Gishi Kohosei |
| VADM/O | Vice-admiral (ordnance) Zohei Chujo |
| RADM/O | Rear admiral (ordnance) Zohei Shosho |
| CAPT/O | Captain (ordnance) Zohei Daisa |
| CMDR/O | Commander (ordnance) Zohei Chusa |
| LCDR/O | Lieutenant commander (ordnance) Zohei Shosa |
| LT/O | Lieutenant (ordnance) Zohei Daii |
| LTJG/O | Lieutenant junior grade (ordnance) Zohei Chui |
| SUBLT/O | Sublieutenant or Ensign (ordnance) Zohei Shoi |
| MID/O | Midshipman (ordnance) Zohei Shoi Kohosei |
| O/GEN1 | Ordnance General senior grade Zohei Sokan (Itto) |
| O/GEN | Ordnance General Zohei Sokan |
| O/CAPT | Ordnance Captain Zohei Taikan |
| O/CMDR | Ordnance Commander Zohei Chukan |
| O/LCDR | Ordnance Lieutenant commander Zohei Shokan |
| O/LT | Ordnance Lieutenant Zohei Dai Gishi |
| O/LTJG | Ordnance Lieutenant junior grade Zohei Chu Gishi |
| O/SUBLT | Ordnance Sublieutenant or Ensign Zohei Sho Gishi |
| O/MID | Ordnance Midshipman Zohei Sho Gishi Kohosei |
| CAPT/H | Captain (hydrographic) Suiro Daisa |
| CMDR/H | Commander (hydrographic) Suiro Chusa |
| LCDR/H | Lieutenant commander (hydrographic) Suiro Shosa |
| LT/H | Lieutenant (hydrographic) Suiro Daii |
| LTJG/H | Lieutenant junior grade (hydrographic) Suiro Chui |
| SUBLT/H | Sublieutenant or Ensign (hydrographic) Suiro Shoi |
| MID/H | Midshipman (hydrographic) Suiro Shoi Kohosei |
| H/CAPT | Hydrographic Captain Suiro Taikan |
| H/CMDR | Hydrographic Commander Suiro Chukan |
| H/LCDR | Hydrographic Lieutenant commander Suiro Shokan |
| H/LT | Hydrographic Lieutenant Suiro Dai Gishi |
| H/LTJG | Hydrographic Lieutenant junior grade Suiro Chu Gishi |
| H/SUBLT | Hydrographic Sublieutenant or Ensign Suiro Sho Gishi |
| H/MID | Hydrographic Midshipman Suiro Sho Gishi Kohosei |
| VADM/T | Vice-admiral (technical) Gijutsu Chujo |
| RADM/T | Rear admiral (technical) Gijutsu Shosho |
| CAPT/T | Captain (technical) Gijutsu Daisa |
| CMDR/T | Commander (technical) Gijutsu Chusa |
| LCDR/T | Lieutenant commander (technical) Gijutsu Shosa |
| LT/T | Lieutenant (technical) Gijutsu Daii |
| LTJG/T | Lieutenant junior grade (technical) Gijutsu Chui |
| SUBLT/T | Sublieutenant or Ensign (technical) Gijutsu Shoi |
| MID/T | Midshipman (technical) Gijutsu Shoi Kohosei |
| RADM/D | Rear admiral (dentist) Shikai Shosho |
| CAPT/D | Captain (dentist) Shikai Daisa |
| CMDR/D | Commander (dentist) Shikai Chusa |
| LCDR/D | Lieutenant commander (dentist) Shikai Shosa |
| LT/D | Lieutenant (dentist) Shikai Daii |
| LTJG/D | Lieutenant junior grade (dentist) Shikai Chui |
| SUBLT/D | Sublieutenant or Ensign (dentist) Shikai Shoi |
| MID/D | Midshipman (dentist) Shikai Shoi Kohosei |
| VADM/J | Vice-admiral (justice) Homu Chujo |
| RADM/J | Rear admiral (justice) Homu Shosho |
| CAPT/J | Captain (justice) Homu Daisa |
| CMDR/J | Commander (justice) Homu Chusa |
| LCDR/J | Lieutenant commander (justice) Homu Shosa |
| LT/J | Lieutenant (justice) Homu Daii |
| LTJG/J | Lieutenant junior grade (justice) Homu Chui |
| SUBLT/J | Sublieutenant or Ensign (justice) Homu Shoi |
| MID/J | Midshipman (justice) Homu Shoi Kohosei |
| Adj | Adjutant Fukukan |
| Assist Staff | Assistant Staff Shireibu Zuki, Fukubuin |
| Att | Attendant Shusshi |
| Demob | Demobilized Shoshu Kaijo |
| died from DCF | died from diseases contracted at the front Senbyoshi |
| Dir | Director Kyokucho, Bucho, or Incho |
| Exec | Executed Keishi |
| KIA | Killed in Action Senshi or Junshoku |
| Member | Member Zuki (front unit) |
| Mob | Mobilized Shoshu |
| Order of Return | Order of Return Mei Kicho |
| Resv | Reserve 1st grade Yobieki |
| Resv 2 | Reserve 2nd grade Gobieki |
| Ret | Retired Taieki |
| Staff | Staff Sanbo, Buin or Kyokuin |
| Susp | Suspended Kyushoku |
| Wait | Waiting job Taimei |
| #aBg | #th Auxiliary Base unit Dai-# Konkyochi-tai |
| #ag | #th Assault unit Dai-# Totsugeki-tai |
| #AF | #th Air Fleet Dai-# Koku Kantai |
| #Bg | #th Base unit Dai-# Tokubetsu Konkyochi-tai |
| #bg | #th defense unit Dai-# Bobi-tai |
| #btg | #th torpedo boat unit Dai-# Tei-tai |
| #CF | #th China Expeditionary Fleet Dai-# Kenshi Kantai |
| #Cfg | #th Combined Flying unit Dai-# Rengo Koku-tai |
| #cg | #th Communication unit Dai-# Tsushin-tai |
| #chg | #th Submarine chaser unit Dai-# Kusen-tai |
| #Convoy | #th Convoy HQ Dai-# Goei Sendan |
| #dg | #th Destroyer unit Dai-# Kuchiku-tai |
| #EF | #th Escort Fleet Dai-# Goei Kantai |
| #eg | #th Escort unit Dai-# Kaibo-tai |
| #F | #th Fleet Dai-# Kantai |
| #fg | #th Flying unit Dai-# Kaigun Koku-tai |
| #Gcg | #th Combined Communication unit Dai-# Rengo Tsushin-tai |
| #Gg | #th Gunboat unit Dai-# Hokan-tai |
| #Glg | #th Combined Marine unit Dai-# Rengo Tokubetsu Rikusen-tai |
| #HF | #th Area Fleet Dai-# Homen Kantai |
| #KdF | #th Task Fleet Dai-# Kido Kantai |
| #KEg | #th Maritime Escort unit Dai-# Kaijo Goeitai |
| #KF | #th Southern Expeditionary Fleet Dai-# Nanken Kantai |
| #kg | #th Guard unit Dai-# Keibi-tai |
| #lg | #th Marine unit Dai-# Tokubetsu Rikusen-tai |
| #pg | #th Patrol boat unit Dai-# Kanshitei-tai |
| #S | #th Squardron Dai-# Sentai |
| #sbg | #th Submarine boat unit Dai-# Sensuitei-tai |
| #Sd | #th Destroyer Squardron Dai-# Suirai Sentai |
| #Sf | #th Flying Squardron Dai-# Koku Sentai |
| #sg | #th Submarine unit Dai-# Sensui-tai |
| #Ss | #th Submarine Squardron Dai-# Sensui Sentai |
| #St | #th Transport Squardron Dai-# Yuso Sentai |
| #Sub.kcg | #th Submarine base unit Dai-# Sensuikan Kichi-tai |
| #Sz | #th Special Attack Squardron Dai-# Tokko Sentai |
| #tbg | #th Torpedo boat unit Dai-# Suiraitei-tai |
| #tg | #th Torpedo unit Dai-# Suirai-tai |
| #tpg | #th Transport unit Dai-# Yuso-tai |
| #wg | #th Minesweeper unit Dai-# Sokai-tai |
| #th CB | #th Constructor Battalion Dai-# Setsueitai |
| #th Expeditionary Fleet | #th Expeditionary Fleet Dai-# Kengai Kantai |
| #th Southern Detach | #th Southern Detach Dai-# Nanken Shitai |
| #th Special Task Fleet | #th Special Task Fleet Dai-# Tokumu Kantai |
| aBg | Auxiliary Base unit Konkyochi-tai |
| ag | Assault unit Totsugeki-tai |
| Assist. DC | Assistant Division Commander Buntai-shi |
| Assist. Nav. | Assistant Navigator Kokai-shi |
| B-Atk, TG | Attack unit, Torpedo Group Suiraitai Kogeki Bu |
| B-Lay, TG | Minelaying unit, Torpedo Group Suiraitai Fusetsu Bu |
| Bg | Base unit Tokubetsu Konkyochi-tai |
| bg | Defense unit Bobi-tai |
| BO | Bringing officer Kaiko-Iin |
| BS | Defence Squadron Bobi Sentai |
| CBO | Chief Bringing officer Kaiko-Iin-cho |
| CEO | Chief Equipment Officer Giso-in-cho |
| cg | Communication unit Tsushin-tai |
| Chief Air. | Chief Aircraft officer Hiko-cho |
| Chief Comm. | Chief Communication officer Tsushin-cho |
| Chief Const. | Chief Constructor Kosaku-cho |
| Chief Eng. | Chief Engineer Kikan-cho |
| Chief Gun. | Chief Gunner Hojutsu-cho |
| Chief Int. | Chief Interior officer Naimu-cho |
| Chief Jud. | Chief Judical officer Homu-cho |
| Chief Maint. | Chief Maintenance officer Seibi-cho |
| Chief Mine. | Chief Mine officer Kirai-cho |
| Chief Nav. | Chief Navigator Kokai-cho |
| Chief Ope. | Chief Operation officer Unyo-cho |
| Chief Pay. | Chief Paymaster Shukei-cho |
| Chief Per. | Chief Personnel officer Jinji-cho |
| Chief Sup. | Chief Supply officer Hokyu-cho |
| Chief Sur. | Chief Surgeon Gun-i-cho |
| Chief Torp. | Chief Torpedo officer Suirai-cho |
| CinC | Commander-in-Chief Shirei Chokan |
| CO | Commanding Officer Kancho or Shirei |
| CO-Aux | Commanding Officer of Auxiliary Tokumukancho |
| CO-Des | Commanding Officer of Destroyer Kuchikukancho |
| CO-Esc | Commanding Officer of Escort Kaibokancho |
| CO-Gb | Commanding Officer of Gunboat Hokancho |
| CO-MSw | Commanding Officer of Minesweeper Sokaiteicho |
| CO-Sub | Commanding Officer of Submarine Sensuikancho |
| CO-Subb | Commanding Officer of Submarine Boat Sensuiteicho |
| CO-Tb | Commanding Officer of Torpedo Boat Suiraiteicho |
| CO-Tbb | Commanding Officer of Torpedo Boat Teicho |
| COM | Commander Shireikan |
| CoS | Chief of Staff Sanbo-cho |
| Crew | Crew Norikumi |
| CSF | China Area Fleet Shina Homen Kantai |
| DC | Division Commander Buntai-cho |
| EO | Equipment Officer Giso-in |
| fg | Flying unit Kaigun Koku-tai |
| GB | Supreme HQ of Navy Kaigun Sotai |
| GCfg | Combined flying unit Group Renshu Rengo koku Sotai |
| GD | Guard District Yoko-bu or Keibi-fu |
| GEB | Maritime Escort Fleet Kaijo Goei Sotai |
| GF | Combined Fleet Rengo Kantai |
| GKF | Southwestern Area Fleet Nansei Homen Kantai |
| Glg | Combined Marine unit Rengo Tokubetsu Rikusen-tai |
| HaBg | Area Auxiliary Base unit Homen Konkyochi-tai |
| HBg | Area Base unit Homen Tokubetsu Konkyochi-tai |
| HTF | Northeastern Area Fleet Hokuto Homen Kantai |
| kcg | Point unit Kichi-tai |
| KF | Southern Expeditionary Fleet Nanken Kantai |
| kg | Guard unit Keibi-tai |
| KS | Guard Squardron Keibi Sentai |
| lg | Marine unit Tokubetsu Rikusen-tai |
| Manchuria Expd.Force | Manchuria Expeditionary Force Chu-Man Kaigun Bu |
| Mid Fleet | Middle Fleet Chu Kantai |
| ND | Naval District Chinju-fu |
| ND Res.Fleet | Naval District Reserve Fleet Chinju-fu Yobikantai |
| NTF | Southeastern Area Fleet Nanto Homen Kantai |
| Patrol Fleet | Patrol Fleet Keibi Kantai |
| Readiness Fleet | Readiness Fleet Jobi Kantai |
| Readiness Flotilla | Readiness Flotilla Jobi Shokantai |
| Res.Fleet | Reserve Fleet Yobikantai |
| SC | Sailor Corps Kaiheidan |
| South China Fleet | South China Fleet Nanshin Kantai |
| Sub.kcg | Submarine base unit Sensuikan Kichi-tai |
| TC | Torpedo Corps Suiraidan |
| TG | Torpedo Group Suiraitai |
| Torp.Chief Eng. | Torpedo Chief Engineer Suirai Shuki |
| Training Fleet | Training Fleet Renshu Kantai |
| TYF | Central Pacific Area Fleet Chubu Taiheiyo Homen Kantai |
| VChief Gun. | Vice-chief Gunner Fukuho-cho |
| VCoS | Vice-chief of Staff Sanbo Fukucho |
| West Fleet | Western Fleet Saikai Kantai |
| WL | Wing Leader Hikotai-cho |
| XO | Deputy Commanding Officer Fukucho |
| AdmCommittee | Admirals' Committee Kaigun Shokan Kaigi |
| Admi.Gen, DoN | Administrator General, Department of Navy Kaigun Somu Chokan |
| Air.Arsnl | Aircraft Arsenal Kokusho |
| Air-Tech.Arsnl | Aircraft Technical Arsenal Koku Gijutsusho |
| Area B-Per | Area Personnel Bureau Chiho Jinji Bu |
| ASVCO | Accounting Supervisor for Construction and Ordnance Zosen Zohei Kantoku Kaikeikan |
| ASVO | Accounting Supervisor for Ordnance Zohei Kantokukan |
| Att, NAC | Attendant, Naval Air Command Kaigun Koku Honbu Shusshi |
| Att, NEC | Attendant, Naval Educational Command Kaigun Kyoiku Honbu Shusshi |
| Att, NFC | Attendant, Naval Facility Command Kaigun Shisetsu Honbu Shusshi |
| Att, NGS | Attendant, Naval General Staffs Kaigun Gunreibu Shusshi or Gunreibu Shisshi |
| Att, NSC | Attendant, Naval Shipbuilding Command Kaigun Kansei Honbu Shusshi |
| Att, NTC | Attendant, Naval Technical Command Kaigun Gijutsu Honbu Shusshi |
| Att, NTpC | Attendant, Naval Transportation Command Kaigun Unyu Honbu Shusshi |
| B# | #th Bureau Dai-# Bu |
| B-Act | Accounting Bureau Keiri Kyoku / Kaikei Kyoku / Kaikei Bu / Keiri Bu |
| B-Adm | Administration Bureau Somu Bu |
| B-Aircraft | Aircraft Division Kokuki Bu / Hikoki Bu |
| B-Aircraft.Res | Aircraft Research Division Kokuki Jikken Bu |
| B-AirEng | Aircraft Engine Division Hatsudoki Bu |
| B-Armamnt | Armament Division Heiki Bu |
| B-AviRadio | Aviation Radio Division Koku Musen Bu |
| B-Bomb | Bomb Division Bakudan Bu |
| B-Chem.Res | Chemical Reserch Division Kagaku Kenkyubu |
| B-Comm | Communication Bureau Tsushin Bu |
| B-Comm.Res | Communication Reserch Division Tsushin Jikken Bu |
| B-Const | Construction Bureau Kenchiku Kyoku / Kenchiku Bu / Kensetsu Bu |
| B-Edu | Educational Bureau Kyoiku Kyoku / Kyoiku Bu |
| B-Elect | Electronic Division Denki Bu |
| B-Elect.Res | Electronic Reserch Division Denki Kenkyubu / Denki Jikken Bu |
| B-Eng | Engineering Bureau Kikan Kyoku |
| B-Eng.Res | Engineering Research Division Kikan Jikken Bu |
| B-EngConst | Engine Constructing Division Zoki Bu |
| B-Exam | Examination Division Jikken Bu |
| B-Expos | Explosive Powder Division Bakuyaku Bu |
| B-Flight.Res | Flight Research Division Hiko Jikken Bu |
| B-Gun | Gunnary Division Hoko Bu |
| B-Gun.Res | Gunnary Research Division Hoko Jikken Bu |
| B-LandGear | Landing Gear Division Hacchakuki Bu |
| B-Leg | Legal Bureau Homu Kyoku |
| B-MachineGun | Machine Gun Division Kiju Bu |
| B-Material | Material Division Zairyo Bu |
| B-Material.Res | Material Reserch Division Zairyo Kenkyubu |
| B-Med | Medical Bureau Imu Kyoku / Imu Bu |
| B-Merch | Merchantmen Bureau Shosen Bu |
| B-Mine.Res | Mine Research Division Kirai Jikken Bu |
| B-NA | Bureau of Naval Affairs Gunmu Kyoku |
| B-Nav.Res | Navigation Research Division Kokai Jikken Bu |
| B-Opt | Optics Division Kogaku Bu |
| B-Opt.Res | Optics Research Division Kogaku Jikken Bu |
| B-Ord | Ordnance Division Zohei Bu |
| B-Per | Personnel Bureau Jinji Kyoku / Jinji Bu |
| B-Powder | Powder Division Kayaku Bu |
| B-PR | Public Relation Bureau Gunji Fukyu Bu |
| B-Press | Press Bureau Hodo Bu |
| B-Prod | Production Division Seizo Bu |
| B-Pyrotech | Pyrotechnic Division Kako Bu |
| B-Radio | Radio Division Musen Bu |
| B-Radio.Res | Radio Reserch Division Dempa Kenkyubu |
| B-Read | Readiness Bureau Heibi Kyoku |
| B-Resv | Reserved Ship Bureau Yobikan Bu |
| B-Rsch | Research Division Kenkyu Bu |
| B-Sci.Res | Scientific Reserch Division Rigaku Kenkyubu |
| B-Ship | Shipping Bureau Kansen Bu |
| B-Shipbuild | Shipbuilding Division Zosen Bu |
| B-Shipbuild.Res | Shipbuilding Reserch Division Zosen Kenkyubu / Zosen Jikken Bu |
| B-Sonic.Res | Sonic Reserch Division Onkyo Kenkyubu |
| B-Steel | Steel Division Seiko Bu |
| B-Sub | Submarine Division Sensuikan Bu |
| B-Sup | Supply Bureau Gunju Kyoku / Gunju Bu / Hokyu Bu |
| B-Tec | Technical Bureau Gijutsu Bu |
| B-Torp | Torpedo Division Suirai Bu |
| B-Torp.Res | Torpedo Research Division Gyorai Jikken Bu |
| B-Trans | Transportation Bureau Unyu Bu |
| CNGS | Chief, Naval General Staff Kaigun Gunrei Bucho or Gunreibu Socho |
| CNS | Chief, Naval Staffs Kaigun Sanbo Bucho |
| CSVCO | Chief Supervisor for Construction and Ordnance Zosen Zohei Kantokucho |
| D2D | Department of 2nd Demobilization Daini Fukuin Sho |
| Deputy VLoN | Deputy Vice-Lord of Navy Kaigun Shoyu |
| DoN | Department of Navy / Ministry of Navy Kaigun Sho |
| Fuel-Yd | Fuel Yard Nenryosho |
| GS-N | General Staffs, Naval Section Sanbo Honbu Kaigunbu |
| GSN | General Staffs of Navy Kaigun Sanbo Honbu |
| Harbor | Harbor Office Komu Bu |
| JGS | Joint General Staff Daihonei |
| JGS-N | Joint General Staff, Navy Section Daihonei Kaigunbu |
| LoN | Lord of Navy Kaigun Kyo |
| MoN | Minister of Navy Kaigun Daijin |
| N1 | 1st bureau of Naval General Staff Gunreibu Daiichi Bu |
| N2 | 2nd bureau of Naval General Staff Gunreibu Daini Bu |
| N3 | 3rd bureau of Naval General Staff Gunreibu Daisan Bu |
| N4 | 4th bureau of Naval General Staff Gunreibu Daiyon Bu |
| NAC | Naval Air Command Kaigun Koku Honbu |
| NEC | Naval Educational Command Kaigun Kyoiku Honbu |
| NFC | Naval Facility Command Kaigun Shisetsu Honbu |
| NGS | Naval General Staff Kaigun Gunreibu or Gunreibu |
| NH | Naval Hospital Kaigun Byoin |
| NHC | Naval Hydrography Command Suiro Bu |
| NOS | Naval Operation Staffs Kaigun Gunjibu |
| NRC | Naval Rader Command Kaigun Dempa Honbu |
| NS | Naval Staffs Kaigun Sanbo Bu |
| NSC | Naval Shipbuilding Command Kaigun Kansei Honbu |
| NTC | Naval Technical Command Kaigun Gijutsu Honbu |
| NTpC | Naval Transportation Command Kaigun Unyu Honbu |
| NYd | Naval Yard Kaigun Kosho |
| Ord.Arsnl | Ordnance Arsenal Zoheisho |
| Powder-Yd | Powder Yard Kayakusho |
| S# | #th section Dai-# Ka |
| S-Adm | Administration Section Somu Ka |
| S-Comm | Telecommunication Section Denshin Ka |
| S-Eng | Engineer Section Kikan Ka |
| S-Officer | Officer Section Shoko Ka |
| S-Per | Personnel Section Jinji Ka |
| S-Rsch | Research Section Chosa Ka |
| Sec, MoN | Secretary, Minister of Navy Kaigun Daijin Hishokan |
| Staff, NAC | Staff, Naval Air Command Kaigun Koku Honbu Buin |
| Staff, NEC | Staff, Naval Educational Command Kaigun Kyoiku Honbu Buin |
| Staff, NFC | Staff, Naval Facility Command Kaigun Shisetsu Honbu Buin |
| Staff, NHC | Staff, Naval Hydrography Command Suirobu Buin |
| Staff, NSC | Staff, Naval Shipbuilding Command Kaigun Kansei Honbu Buin |
| Staff, NTC | Staff, Naval Technical Command Kaigun Gijutsu Honbu Buin |
| SVC | Supervisor for Construction Zosen Kantokukan |
| SVCO | Supervisor for Construction and Ordnance Zosen Zohei Kantokukan |
| SVO | Supervisor for Ordnance Zohei Kantokukan |
| Tech.Arsnl | Technical Arsenal Gijutsusho |
| Tech.Rsch | Temporary Construction Bureau Rinji Kenchiku Bu |
| Temp.B-Const | Temporary Construction Bureau Rinji Kenchiku Bu |
| TInsp | Techinical Inspector Kensakan |
| VCNGS | Vice Chief, Naval General Staff Kaigun Gunreibu Jicho or Gunreibu Jicho |
| VLoN | Vice-Lord of Navy Kaigun Dayu |
| VMoN | Vice Minister of Navy Kaigun Jikan |
| WTC | Worker Training Center Koin Yoseijo |
| A-Course | A Course Student Koshu Gakusei |
| Adv.Course | Advanced Course Student Koto ka Gakusei |
| Air.Course | Aircraft operation Course Student Kokujutsu Gakusei |
| AntiSub.School | Naval Anti-Submarine School Kaigun Taisen Gakko |
| Bas.Course | Basic Course Student Futsu ka Gakusei |
| B-Course | B Course Student Otsushu Gakusei |
| Chief Trainer | Chief Trainer Kanjicho |
| Comm.School | Naval Communication School Kaigun Tsushin Gakko |
| Const.School | Naval Construction School Kaigun Kosaku Gakko |
| Dir, Eng.Academy | Director, Naval Engineer Academy Kaigun Kikan Gakkocho |
| Dir, Med.School | Director, Naval Medical School Kaigun Guni Gakkocho |
| Dir, Nav.Academy | Director, Naval Academy Kaigun Heigakkocho |
| Dir, Nav.College | Director, Naval College Kaigun Daigakkocho |
| Dir, Pay.Academy | Director, Naval Paymaster Academy Kaigun Keiri Gakkocho |
| DSM | Deputy Schoolmaster Kyoto |
| Eng.Academy | Naval Engineer Academy Kaigun Kikan Gakko |
| Eng.Course | Engineer Course Student Kikan Gakusei |
| Eng.School | Naval Engineer School Kaigun Koki Gakko |
| Eng.TrainingCenter | Naval Engineering Training Center Kaigun Kikanjutsu Renshujo |
| Exp.Course | Expert Course Student Tokushu ka Gakusei |
| Flight.Course | Flight Course Student Hiko Gakusei |
| Gun.School | Naval Gunnery School Kaigun Hojutsu Gakko |
| Gun.TrainingCenter | Naval Gunnery Training Center Kaigun Hojutsu Renshujo |
| Inst | Instructor Kyokan |
| Maint.Course | Maintenance Course Student Senibi Gakusei |
| Major.Course | Majored Course Student Senshu Gakusei |
| Med.School | Naval Medical School Kaigun Guni Gakko |
| Mine.School | Naval Mine School Kaigun Kirai Gakko |
| Nav.Academy | Naval Academy Kaigun Heigakko |
| Nav.College | Naval College Kaigun Daigakko |
| Nav.Course | Navigation Course Student Kokai Gakusei |
| Nav.School | Naval Navigation School Kaigun Kokai Gakko |
| Pay.Academy | Naval Paymaster Academy Kaigun Keiri Gakko |
| Rader.School | Naval Radar School Kaigun Densoku Gakko |
| Sanitary School | Naval Sanitary School Kaigun Eisei Gakko |
| Sel.Course | Selected Course Student Senka Gakusei |
| SM | Schoolmaster Kocho |
| Spec.Course | Speciality Course Student Senko ka Gakusei |
| Sub.School | Naval Submarine School Kaigun Sensui Gakko |
| Torp.School | Naval Torpedo School Kaigun Suirai Gakko |
| Torp.TrainingCenter | Naval Torpedo Training Center Kaigun Suiraijutsu Renshujo |
| Trainee | Trainee Koshuin |
| Trainer | Trainer Kanji |
| Weath.School | Naval Weather School Kaigun Kisho Gakko |
| Aide-dc (no additional word) | Aide-de-camp to the emperor Jiju Bukan |
| Aide-dc | Aide-de-camp to prince, admiral of the fleet, or naval councilor Otsuki Bukan |
| Aide-dc, Crown Prince | Aide-de-camp to the crown prince Togu Bukan |
| Assist Attache | Assistant Naval Attache Taishikan tsuki Bukan Hosakan |
| Attache | Naval Attache Taishikan tsuki Bukan |
| Eng.Dr | Doctor of Engineer Kogaku Hakase |
| Grand Order | Medal of Grand Order Daikun-i |
| Med.Dr | Doctor of Medics Igaku Hakase |
| Pha.Dr | Doctor of Pharmacy Yakugaku Hakase |
| Resident | Resident liason officer Chizai Bukan |
| Sci.Dr | Doctor of Science Rigaku Hakase |
| Supreme Order | Medal of Supreme Order Daikun-i Keishoku |
| #th medal | #th grade medal of golden bat Kou #-kyu Kinshi Kunsho |
| Arg | Argentina |
| Atl | Australia |
| Aus | Austria |
| Bel | Belgium |
| Bra | Brazile |
| Bur | Burma |
| Can | Canada |
| Chi | China |
| Chl | Chile |
| Den | Denmark |
| Fr | France |
| Ger | Germany |
| Gre | Greece |
| Hun | Hungary |
| Haw | Hawaii |
| Ind | India |
| It | Italy |
| Kor | Korea |
| Mal | Malaya |
| Man | Manchuria |
| Mex | Mexico |
| Mon | Mongolia |
| Net | Netherlands |
| Nor | Norway |
| NZL | New Zealand |
| Per | Peru |
| Phi | Philippine |
| Pol | Poland |
| Por | Portugal |
| Pru | Prussia |
| Rom | Romania |
| Rus | Russia |
| Spa | Spain |
| Swe | Sweden |
| Tha | Thailand |
| Tur | Turkey |
| UK | United Kingdom |
| USA | United States of America |
| USSR | Union of Soviet |
| BB | Battleship |
| BB1 | Battleship 1st class |
| BB2 | Battleship 2nd class |
| BBT | Training battleship |
| BC | Battlecruiser |
| C1 | Cruiser 1st class |
| C2 | Cruiser 2nd class |
| C3 | Cruiser 3rd class |
| CD | Coast defense ship |
| CD1 | Coast defense ship 1st class |
| CD2 | Coast defense ship 2nd class |
| CD3 | Coast defense ship 3rd class |
| CH | Submarine chaser |
| CHa | Submarine chaser, auxiliary |
| CT | Training cruiser |
| CV | Aircraft carrier |
| DD | Destroyer |
| DD1 | Destroyer 1st class |
| DD2 | Destroyer 2nd class |
| DD3 | Destroyer 3rd class |
| DE | Escort (Coast Defense Ship) |
| DEB | Escort boat |
| DP | Despatch boat |
| DT | Torpedo boat tender |
| GB | Gunboat |
| GB1 | Gunboat 1st class |
| GB2 | Gunboat 2nd class |
| HS | Hospital ship |
| IB | Icebreaker |
| LS1 | Landing ship 1st class |
| LS2 | Landing ship 2nd class |
| ML | Minelayer |
| MLB | Minelayer boat |
| MLB1 | Minelayer boat 1st class |
| MLB2 | Minelayer boat 2nd class |
| MLBa | Minelayer boat, auxiliary |
| MLC | Cablelayer |
| MS | Minesweeper |
| MS1 | Minesweeper 1st class |
| MS2 | Minesweeper 2nd class |
| MSa | Minesweeper, auxiliary |
| MSa1 | Minesweeper, auxiliary 1st class |
| MSa2 | Minesweeper, auxiliary 2nd class |
| MTB | Motor torpedo boat |
| NL | Netlayer |
| PB | Patrol boat |
| PBa | Patrol boat, auxiliary |
| RS | Repair ship |
| SB | Submarine boat |
| SB1 | Submarine boat 1st class |
| SB2 | Submarine boat 2nd class |
| SS1 | Submarine 1st class |
| SS2 | Submarine 2nd class |
| SS3 | Submarine 3rd class |
| ST | Submarine tender |
| STB | Submarine tender boat |
| SV | Survey ship |
| TA | Training auxiliary |
| TB | Torpedo boat |
| TB1 | Torpedo boat 1st class |
| TB2 | Torpedo boat 2nd class |
| TB3 | Torpedo boat 3rd class |
| TB4 | Torpedo boat 4th class |
| TBD | Torpedo boat destroyer |
| TBS | Submarine torpedo boat |
| TR | Transport |
| TS | Target ship |
| T- (prefix) | Mobilized Merchantman or Fishery vessel etc. |
| VT | Seaplane Tender |