The following is the list of ships of the Imperial Japanese Navy for the duration of its existence, 1868–1945. This list also includes ships before the official founding of the Navy and some auxiliary ships used by the Army. For a list of ships of its successor, the Japan Maritime Self-Defense Force, see List of active Japan Maritime Self-Defense Force ships and List of combatant ship classes of the Japan Maritime Self-Defense Force.
Early warships Atakebune, 16th century coastal oar propelled warships. Red seal ships – Around 350 armed sailships, commissioned by the Bakufu in the early 17th century, for Asian and South-East Asian trade. (1607) – Built by William Adams for Tokugawa Ieyasu. Crossed the Pacific in 1610. (1614) – One of Japan's first Western-style sail warships, transported the embassy of Hasekura Tsunenaga to America in 1614.
Early modern warships Edo period
This section lists warships belonging to the Tokugawa shogunate and to the various domains of Japan before the Meiji Restoration and the Boshin War. Several of the vessels that survived the war would go on to serve in the fledgling Imperial Japanese Navy. Western-style sail warships (1854), Japan's first post-seclusion Western-style sail warship. (1854) (1854) (1862) (:ja:快風丸_(日本海軍)) (1867) (:ja:立象丸)
Steam warships
(1855), Japan's first steam warship. (1856-1857), Japan's first screw-driven steam warships. , , (:ja:電流丸) (1858) (1863), Japan's first domestically built steam warship. (1863) (:ja:翔鶴丸) (1864) (1864) (1865) (:ja:飛龍丸) (1865) (1865) (1865) (1866) (1866) (:ja:華陽丸) (1866) (:ja:行速丸) (1866) (:ja:第一丁卯) (1866) (1867) (1867) (1867-1868) , , (1868) (:ja:延年丸) (1868) (1868) (:ja:和泉丸) (1868) (1868) (:ja:摂津艦) (:ja:開運丸) (:ja:%E8%99%B9%E6%A9%8B%E8%88%B9)
Meiji era (1869) (1870) (1870) (1874) (:ja:浅間_(コルベット)) (1875) (1876) (1877) (1877) , (1878) (1882) (1883) (1885-1886) , , Chinese gunboat captured during the First Sino-Japanese War (1894) Sōkō (ex-)
Battleships
Pre-dreadnoughts
Ship or class Displacement Mainbattery Secondarybattery Torpedotubes Complement Speed Ships in class Ship Keellaid Commissioned Fate , ex-CSS Stonewall; renamed Azuma, Dec 1871 1,390 t 1× 2x 135 1863 Feb 1869 Sold for scrap, Dec 1889 3,717 t 4x 2x 295 Jul 1875 Jan 1878 Sold for scrap, 1909 Chin'en(Prize of First Sino-Japanese War) 7,220 t 4× 2x 3x 350 Mar 1882 Mar 1895 Scrapped, 1912 Fuji class 12,230 t 4× 10x 5x 650 Aug 1894 Aug 1897 Scrapped, 1948 Dec 1894 Sep 1897 Naval mines, May 1904 Shikishima class 14,850 t 4× 14x 4x 741 Mar 1897 Jan 1900 Scrapped, 1948 Jan 1898 Jan 1901 Naval mine, May 1904 15,200 t 4× 14x 4x 773 Aug 1898 Apr 1900 sunk by USS Salmon (SS-182) May 1942 15,140 t 4× 14x 4x 836 Jan 1899 Mar 1902 Preserved as museum ship
Prizes of the Russo-Japanese War Battleships Ship Displacement Mainbattery Secondarybattery Torpedotubes Comple-ment Speed Keel Laid Commissionedinto IJN Fate (ex-Russian ) 9,594 t2× 6x 6x 616Aug 1886Jun 1905Target,Oct 1915 (ex-Russian Poltava) 11,500 t4× 4x 2x 4x 631May 1892Aug 1905Returned to Russia,1916 (ex-Russian ) 13,810 t4× 10x 2x 771Nov 1895Jul 1908Sold back to Russia,Mar 1916 (ex-Russian ) 13,320 t4× 10x 2x 771Feb 1899Oct 1908Probably scrapped,1922-1923 (ex-Russian ) 12,780 t4× 12x 6x 750Jul 1899Jan 1905Sunk as target,Jul 1924 (ex-Russian ) 14,151 t4× 12x 4x 854Jun 1900Jun 1907Sunk as target,Jul 1924
Coastal defense ships Ship Displacement Mainbattery Secondarybattery Torpedotubes Comple-ment Speed Keel laid Commissionedinto IJN Fate (ex-Russian ) 4,165 t4× 6x removed406Aug 1892Jun 1905Sunk as target,May 1936 (ex-Russian ) 4,165 t3× 6x removed406Oct 1894Jun 1905Scrapped,1939
Transitional Dreadnoughts
Class Displacement MainBattery SecondaryBattery TorpedoTubes Comple-ment Speed Ships in class Ship Keel Laid Commis-sioned Fate 15,950 t 4× 4× 12x 5x 864 Apr 1904 May 1906 Scrapped, 1925 Feb 1904 May 1906 Scrapped, 1924 19,372 t 4× 12× 8x 5x 940 May 1905 Mar 1910 Sunk as target, 1924 Mar 1906 Mar 191 Sunk as target, 1924 20,823 t 12× 10× 5x 1,100 Apr 1909 Mar 1912 Internal explosion, 1918 Jan 1909 Jul 1912 Scrapped, 1947
Battleship prizes of World War I Source Displacement MainBattery SecondaryBattery TorpedoTubes Comple-ment Speed Keel Laid Cededto Japan Fate ex-German Nassau 18,873 t 12x 12× 6x 1,008 Jul 1907 Apr 1920 Scrapped, 1920 ex-German Oldenburg 22,808 t 12× 14x 6x 1,069 Mar 1909 Apr 1920 Scrapped, 1921
Battlecruisers
Class Displace-ment MainBattery SecondaryBattery TorpedoTubes Comple-ment Speed Ships in Class Ship Keel Laid Commis-sioned Fate 13,750 t 4× 12× 3 820 Jan 1905 Jan 1907 Explosion, Jan 1917 Mar 1905 Mar 1908 Scrapped, 1923 14,636 t 4× 8x 3x 817 May 1907 Nov 1907 Scrapped, 1923 Aug 1905 Feb 1911 Scrapped, 1923 Kongō class 31,720 texc.Kirishima 31,980 8x 16× 8x 1,437 Jan 1911 Aug 1913 Converted to fast battleship, 1935 Mar 1912 Apr 1915 Converted to fast battleship, 1933 Nov 1911 Apr 1915 Converted to training ship, 1937;fast battleship, 1941 Mar 1912 Apr 1915 Converted to fast battleship, 1941 Amagi class 40,000 t Amagi Cancelled, 1922 Akagi Dec 1920 Mar 1927 Completed as aircraft carrier Atago Cancelled, 1922 Takao Cancelled, 1922 Type B-65 32,000 t 9x 16x Hull 795 Cancelled, 1942 Hull 796 Cancelled, 1942
In commission during World War II Old battleships
Class Displacement MainBattery SecondaryBattery Comple-ment Speed Ships in Class Ship Keel laid Commis-sioned War loss Postwar Kongō class 31,720 texc. Kirishima 31,980 8x 14× 1,437 Jan 1911 Aug 1913 sunk by USS Sealion (SS-315) Nov 1944 Mar 1912 Apr 1915 Hit in Bombing of Kure July 1945 Scrapped 1946 Nov 1911 Apr 1915 Sunk at Naval Battle of Guadalcanal, Nov 1942 Mar 1912 Apr 1915Sunk at Naval Battle of Guadalcanal, Nov 1942 Fusō class 34,700 t 12x 16× 1,376 Mar 1912 Nov 1915 Sunk at Battle of Surigao Strait Oct 1944 Nov 1913 Mar 1917 Sunk at Battle of Surigao Strait Oct 1944 Ise class ‡ 42,001 t 12x 16x 1,376 May 1915 Nov 1915 Sunk by Air attack on Kure Jul 1945 May 1915 Apr 1918 Sunk by Air attack on Kure Jul 1945 Scrapped, 1947 Nagato class 39,130 t 8x 18x 1,368 Aug 1917 Nov 1920 Used at target in Operation Crossroads atomic bomb test, 1946 Jun 1918 Oct 1921 Internal explosion, Jun 1943 38,500 t 10x 20x Feb 1920 Cancelled, 1922; hull used for tests and scuttled 1925 Jul 1920 Mar 1928 Completed as aircraft carrier ‡ Before conversion to hybrid aircraft carriers
Super battleships
Class Displacement Main Battery Secondary Battery Complement Speed Ships in Class Ship Keel Laid Commissioned War Loss Yamato class 64,170 t 9x 12x 2,500 Nov 1937 Dec 1941 Sunk by air attack during Operation Ten-Go Apr 1945 Mar 1938 Aug 1942 Sunk at Battle of the Sibuyan Sea Oct 1944 May 1940 completed asaircraft carrier sunk by submarine attack 29 November 1944 Hull 111 scrapped 6x Hull 797 cancelled Design A-150 battleship 70,000 t 6x "Many" Hull 798 cancelled Hull 799 cancelled
Seaplane tenders (1913) Notoro (1920) Akitsushima-class Akitsushima Chihaya (not completed) Kamoi (converted to aircraft carriers)
Aircraft carriers
Standard aircraft carriers (1925) (1928) (1935) (1937)
(1939) (1939)
(1943)
(1943) (1943) (1944) (not completed) Aso (not completed) Ikoma (not completed) (1944)
Light aircraft carriers (1921) (1931)
(converted from submarine tender in 1940) (converted from submarine tender in 1941)
(converted from ocean liner in 1941) (converted from ocean liner in 1941)
(converted from seaplane tender in 1943) (converted from seaplane tender in 1944) Ibuki (not completed, converted from heavy cruiser)
Escort aircraft carriers
(converted from ocean liner in 1941) (converted from ocean liner in 1942) (converted from ocean liner in 1942) (converted from ocean liner in 1942) (converted from submarine tender in 1942) Shin'yō (converted from ocean liner in 1943) Special 1TL Type auxiliary escort carrier (1944) Otakisan Maru (not completed)
Cruisers
Unprotected cruisers
Class or Ship Displace-ment MainBattery SecondaryBattery TorpedoTubes Comple-ment Speed Ships in Class Ship Keel Laid Completed Fate Chilean cruiser Arturo Prat sold to Japan 1,370 t 2× 4x 2x 186 Feb 1879 Jun 1883 Scrapped,1911 1,778 t 4x 1x 2x 220 Oct 1886 Nov 1889 Scrapped,1912 1,609 t 3x 8× 2x 200 Jun 1887 Mar 1890 Scrapped,1912 753 t 5x 6x 3x 90 Jan 1890 Apr 1892 Sunk after collision,Nov 1892 660 t 2x 4x 5x 100 Apr 1893 Jul 1894 Scrapped,1926 1,800 t 2x 8x 2x 200 May 1894 Mar 1899 Mined off Port Arthur,May 1904 1,258 t 2x 4x 2x 125 May 1898 Sep 1901 Scrapped,1939
Protected cruisers
Class or Ship Displace-ment MainBattery SecondaryBattery TorpedoTubes Comple-ment Speed Ships in Class Ship Keel Laid Completed Fate ex-Chinese prize of First Sino-Japanese War 2,300 t 2x 1x 4 180 Jan 1883 Mar 1895 Mine, Nov 1904 Chilean corvette Esmeralda sold to Japan 2,950 t 2× 6x 296 Apr 1881 1894 Scrapped 3,727 t 2x 6x 4x 325 Mar 1884 Feb 1886 Sold for scrap, Jun 1913 Apr 1884 Mar 1886 Torpedoed off Tsingtao, Oct 1914 3,615 t 4x 7x 4x 400 May 1884 Oct 1886 Lost at sea,Dec 1886 2,439 t 10x 14× 3-pdr. 3x 350 Dec 1888 Jan 1891 Target,Aug 1927 4,278 t 1x 11-12x 4x 360 Jan 1888 Sep 1891 Scrapped,1926 Feb 1888 Apr 1892 Explosion,Apr 1908 Aug 1888 Jun 1894 Scrapped,1927 3,100 t 4x 6x 4x 330 Mar 1890 Mar 1894 Scrapped,1927 4,150 t 4x 8x 5x 360 Dec 1892 Sep 1893 Collision,May 1904 2,657 t 2x 6x 2x 256 Aug 1892 Dec 1896 Scrapped,1928 Aug 1894 Mar 1899 Target,Aug 1930 4,160 t 2x 10x 5x 425 Apr 1896 May 1898 Mined off Port Arthur,Dec 1904 4,979 t 2x 10x 5x 405 Feb 1897 Oct 1898 Ran aground Tsugaru Strait, Jul 1916 Jan 1898 Mar 1899 Target, Jul 1931 3,366 t 6x 10× 12-pdr. 320 Jan 1902 Jan 1904 Wrecked Kamchatka Peninsula, Aug 1922 Oct 1901 Feb 1904 Target, 1944 3,000 t 2x 6x 312 Jan 1903 Sep 1904 Grounded in dense fog off Daiozaki, Shima peninsula, Jul 1917 4,113 t 2x 10x 3x 370 Nov 1905 May 1910 Target, Apr 1933 5,000 t 8x 4× 12-pdr. 3x Apr 1909 May 1912 Target, 1935 Aug 1910 Jul 1912 Scrapped, 1947 Jun 1910 Jul 1912 Scrapped, 1947
Prizes of Russo-Japanese War Class or Ship Displace-ment MainBattery SecondaryBattery TorpedoTubes Comple-ment Speed Keel Laid Commissionedinto IJN Fate (ex-Russian Pallada) 6,932 t 8x 12x 3x 514 Dec 1895 Aug 1908 Scuttled, May 1924 (ex-Russian Varyag) 6,500 t 12x 10x 4x 571 Oct 1899 Jul 1907 Returned to Russia, Apr 1916 (ex-Russian Novik) 3,080 t 2x 4x 340 Feb 1900 May 1904 Sold, Apr 1913
Armored cruisers
Class Displace-ment MainBattery SecondaryBattery TorpedoTubes Comple-ment Speed Ships in Class Ship Keel Laid Completed Fate 9,557 t 4x 14x 5x 676 Oct 1896 Mar 1899 Scrapped, 1947 Jan 1897 May 1899 Air attack, Aug 1944 9,353 t 4x 14x 4x 672 May 1898 Sep 1900 Air attack, Jul 1945 Nov 1898 Mar 1901 Air attack, Jul 1945 9,646 t 4x 12x 5x 670 Sep 1897 Jun 1900 Scrapped, Jul 1946 9,278 t 4x 12x 5x 670 Feb 1898 Jul 1900 Scrapped, 1946 7,698 t 4x . 14x 4x 600 ex-Argentine Bernardino Rivadavia Mar 1902 Jan 1904 Air attack, Jul 1945 ex-Argentine Mariano Moreno Mar1902 Jan1904 Target, 1936 and again 1942 Prize of Russo-Japanese War 7,802 t 2x 8x 2x 573 (ex-Russian Bayan) Mar 1899 Dec 1902 Target, Aug 1932
Other cruisers Dispatch vessels Class Displace-ment MainBattery SecondaryBattery TorpedoTubes Comple-ment Speed Ships in Class Ship Keel Laid Commis-sioned Fate 1,270 t 2x 4× 12-pdr. 12x 116 Oct 1906 Apr 1908 Scrapped, 1945 Mar 1907 Sep 1908 Scrapped, 1929
Foreign ships