List of Japanese Navy ships and war vessels in World War II

This List of Japanese Navy ships and war vessels in World War II is a list of seafaring vessels of the Imperial Japanese Navy of World War II. It includes submarines, battleships, oilers, minelayers and other types of Japanese sea vessels of war and naval ships used during wartime. (This list is not yet complete.)

Abbreviations for units

 * Knot: kn
 * Horsepower: hp
 * Metric horsepower: ps. (1ps=0.7355 kW and 1 hp=0.7457 kW)

"Kaiten" Type1 Suicide Attack Midget Submarine

 * Main Engine: Torpedo motor X 1
 * Fuel: Oxygen (196 litres)
 * Max Speed: 30kn
 * Range: 23.0 km

"Kairyu" midget submarine

 * Main Engine: Diesel (80 hp) X 1, single shaft
 * Fuel: Diesel oil (1,070 litres)
 * Max Speed: 6.5kn (surface) / 10.0kn (submerged)
 * Range: 724 km (at 5kn : surface) / 60 km (at 3kn : submerged)
 * Safety Depth: 150m (without torpedoes)

Modified A Type 2 "Ko-Kai 2" class (I-14)

 * Displacement: 2,620t (surface) / 4,762t (submerged)
 * Engine: Kanhon type 22 model 10 diesel X 2, double shaft (4,400 hp : surface)
 * Max Speed: 16.7kn (surface) / 5.5kn (submerged)
 * Range: 38,918 km (at 16kn : surface) / 111 km (at 3kn : submerged)
 * Submersible Depth: 100m

Type B "Otsu" class (I-15/26)

 * Displacement: 2,198t (surface) / 3,654t (submerged)
 * Engine: Kanhon type2 model 10 diesel X 2, double shaft (2,400 hp : surface)
 * Max Speed: 23.6kn (surface) / 8kn (submerged)
 * Fuel: 774t
 * Range: 25,945 km (at 16kn : surface) / 178 km (at 3kn : submerged)
 * Submersible Depth: 100m

Modified B Type2"Otsu-Kai 2" class (I-54)

 * Displacement: 2,140t (surface) / 3,688t (submerged)
 * Engine: Kanhon type22 model 10 diesel X 2, double shaft (4,700 hp : surface)
 * Max Speed: 17.7kn (surface) / 6.5kn (submerged)
 * Range: 38,918 km (at 16kn : surface) / 194.5 km (at 3kn : submerged)
 * Submersible Depth: 100m

Sento-Ku class (I-400/402)

 * Displacement: 3,530t (surface) / 6,560t (submerged)
 * Main Engine: Kanhon type 22 model 10 diesel X 4, double shaft (7,700 hp : surface)
 * Sub Engine: Type 6S electric motor X 2 (2,400 hp : submerged)
 * Max Speed: 18.7kn (surface) / 6.5kn (submerged)
 * Fuel: 1,750t
 * Range: 69,487 km (at 14kn : surface) / 111 km (at 3kn : submerged)
 * Submersible Depth: 100m

Taigei class (Taigei)

 * Main Engine: All geared turbine X 2, twin shaft (14,000 hp)
 * Max Speed: 20kn

Tsurugizaki class (Tsurugizaki)

 * Main Engine: Diesel X 2, twin shaft (56,000 hp)
 * Max Speed: 29kn

Heian class (Heian)

 * Main Engine: Diesel X 1 (11,000 hp)
 * Max Speed: 15.0kn

Jingei class

 * Max Speed: 16.0 kn
 * Range: 10,400 nmi

Shiretoko class (Shiretoko)

 * Main Engine: Direct drive turbine X 1, single shaft (3,750 hp)
 * Max Speed: 12.0kn

Tsugaru class (Tsugaru)

 * Main Engine: All geared turbine X 2, twin shaft (9,000 hp)
 * Max Speed: 20.0kn

Okinoshima class (Okinoshima)

 * Main Engine: All geared turbine X 2, twin shaft (9,000 hp)
 * Max Speed: 20.0kn
 * Range: 9,000 mile (10kn)

Chitose class (Chitose)

 * Main Engine: All geared turbine X 2, diesel X 2, twin shaft (56,800 hp)
 * Max Speed: 29kn

Mizuho class (Mizuho)

 * Main Engine: Diesel X 4, twin shaft (15,200 hp)
 * Max Speed: 22kn

Kamikawa class (Kamikawa)

 * Main Engine: Diesel X 1, single shaft (8,867 hp)
 * Max Speed: 19.3kn

(Ishigaki)

 * Main Engine: Diesel X 2, double shaft (4,200shp)
 * Max Speed: 19.7kn
 * Range: 8,000 mile (16kn)
 * Fuel: Oil X 120t

(Matsuwa)

 * Main Engine: Diesel X 2, double shaft (4,200shp)
 * Max Speed: 19.7kn
 * Range: 8,000 mile (16kn)
 * Fuel: Oil X 120t

(Chiburi)

 * Main Engine: Diesel X 2, double shaft (4,200shp)
 * Max Speed: 19.5kn
 * Range: 6,000 mile (16kn)
 * Fuel: Oil X 120t

(Okinawa)

 * Main Engine: Diesel X 2, double shaft (4,200shp)
 * Max Speed: 19.5kn
 * Range: 5,754 mile (16kn)
 * Fuel: Oil X 120t

Hōshō class (Hōshō)

 * Main Engine: All geared turbine, two shaft (40,000 hp)
 * Max Speed: 25kn
 * Range: 8,680 km
 * Honsho
 * Commissioned 1922
 * Survived WWII, transported Japanese personnel back home after war - Scrapped 1946

Akagi class (Akagi)

 * Main Engine: All geared turbine, four shaft (131,200 hp)
 * Max Speed: 31.2kn
 * Range: 15,197 km

Kaga class (Kaga)

 * Main Engine: All geared turbine, four shaft (125,000 hp)
 * Max Speed: 28.3kn
 * Range: 18,532 km

Sōryū class (Sōryū)

 * Main Engine: All geared turbine, four shaft (152,000 hp)
 * Max Speed: 37.63kn
 * Range: 14,233 km

Hiryū class(Hiryū)

 * Main Engine: All geared turbine, four shaft (153,000 hp)
 * Max Speed: 34.59kn
 * Range: 14,214 km

Shōkaku class (Shōkaku)

 * Main Engine: All geared turbine, four shaft (160,000 hp)
 * Max Speed: 34.2kn
 * Range: 17,976 km

Shōkaku class (Zuikaku)

 * Main Engine: All geared turbine, four shaft (160,000 hp)
 * Max Speed: 34.2kn
 * Range: 17,976 km

Taiho class (Taiho)

 * Main Engine: All geared turbine, four shaft (160,000 hp)
 * Max Speed: 33.3kn
 * Range: 19,000 km

ES-Tei class

 * Displacement: 948 t
 * Dimensions: 63.02 x 9.60 m
 * Speed (max): 12.7-13.7 kn
 * Engine: Diesel engine 1,200ps
 * Loading Capacity: 630 t

Ise class (Ise)

 * Main Engine: Direct drive turbine, four shaft (80,000 hp)
 * Max Speed: 25.3kn
 * Range: 17,605 km
 * Originally built as battleships, and were refitted with flight deck in place of the aft armament.
 * Ise
 * Hyuga

Battleships
Eight total in service during hostilities

Kongō class
Built as Battlecruisers, later converted Battleships


 * Kongō - Commissioned 1913 (built in UK) - Sunk by submarine 1944
 * Kirishima - Commissioned 1915 - Sunk by surface combat at Guadalcanal 1942
 * JAPANESE BATTLESHIP Hiei - Commissioned 1914 - Scuttled by IJN escorts following major combat damage in Guadalcanal Campaign 1942
 * JAPANESE BATTLESHIP Haruna - Commissioned 1915 - Sunk by air attack at moorings 1945

Fusō class

 * Fusō Launch 1914 - Sunk in combat 1944
 * Yamashiro Launch 1915 - Sunk in combat 1944

Yamato class

 * Main Engine: All geared turbine, four shaft (153,553 hp)
 * Max Speed: 27.0kn
 * Range: 13,343 km


 * Musashi — commissioned August 1942, sunk by air attack October 1944
 * Yamato — commissioned December 1941, sunk by air attack April 1945

Nagato class
Commissioned: 1920—1921
 * Main Engine: Boilers: 16 oil + 6 coal, four Gihon geared turbines, four shafts (80,000 hp)
 * Max Speed: 27kn
 * Range: 10,200 km


 * Nagato - Commissioned 1920 - surrendered to USN at end of WWII - sunk as atomic weapon test target at Bikini Atoll 1946
 * Mutsu - Commissioned 1921 - sunk at anchor due to magazine explosion at Hashirajima Anchorage June, 1943

Heavy Cruiser
There were eighteen total in service.

Furutaka class

 * Furutaka - Commissioned 1926 - Sunk in combat 1942
 * Kako - Commissioned 1926 - Sunk in combat 1942

Aoba class

 * Aoba
 * Kinusaga

Myōkō class

 * Myōkō
 * Nachi
 * Haguro
 * Ashigara

Takao class

 * Takao
 * Atago
 * Maya
 * Chokai

Mogami class
The Mogami-class vessels were built as light cruisers with 155mm triple gun turrets but were built to be up-gunned as heavy cruisers with 200mm dual gun turrets in the same turret ring.
 * Mogami
 * Mikuma
 * Suzuya
 * Kumano

Tone class

 * Tone
 * Chikuma

Ibuki class

 * Ibuki - Partially or fully completed and launched as cruiser with 200mm main guns, but began conversion to aircraft carrier. Conversion not completed, vessel was surrendered at end of WWII.

Tenryū class

 * Tenryū
 * Tatsuta

Kuma class

 * Kuma
 * Tama
 * Kitakami
 * Ōi
 * Kiso

Yūbari class

 * Yūbari

Sendai class

 * Sendai
 * Jintsu
 * Naka

Nagara class

 * Nagara
 * Isuzu
 * Yura
 * Natori
 * Kinu
 * Abukuma

Katori class

 * Katori
 * Kashima
 * Kashii

Suicide Attack Boat "Shinyo" Class

 * Weight: 0.83 t
 * Dimensions: 5.6 x 1.8 m
 * Speed (max): 20-24 kn
 * Engine: Gasoline engine 70ps