The list of World War II ships of less than 1000-tons is an alphabetical list of minor military ships and ship classes of World War II. Only ships with a displacement of less than 1000 tons are listed. For larger vessels, see list of World War II ships. For other ship classes, see the list of World War II ship classes.

Ship classes of World War II (1,000 tons or less)

Class Type Country Launch years Displacement (tons) Number

(wartime/total built)

250t Torpedo boat/Gunboat  Romanian Naval Forces 1914 266 3
A Submarine  Royal Norwegian Navy 1914 268 3
Acciaio Submarine  Regia Marina 1935 697 13
Active Patrol boat/Cutter  United States Coast Guard 1927 232 35
Adua Submarine  Regia Marina 1936 697 17
Ægir Submarine  Royal Danish Navy 1915 237 5
Ahven Minesweeper  Finnish Navy 1937 17 6
Archimede Submarine  Regia Marina 1936 985 2
Argo Submarine  Regia Marina 1936 810 2
Argonauta Submarine  Regia Marina 1932 667 10
B Submarine  Royal Norwegian Navy 1923–29 365 6
Bandiera Submarine  Regia Marina 1930 937 4
Bangor Minesweeper  Royal Navy 1940–44 600 128
Bird Minesweeper  Royal Navy 1938–40 607 45
Bragadin Submarine  Regia Marina 1931 982 2
C Submarine  Royal Danish Navy 369 3
Chang Ning Patrol boat  Republic of China Navy 400 10
Chidori Torpedo boat  Imperial Japanese Navy 1933 535 4
Curtatone Torpedo boat  Regia Marina 1923–24 967 4
D Submarine  Royal Danish Navy 369 2
Dance Naval trawler  Royal Navy 1940 554 20
Dragen Destroyer  Royal Danish Navy 1929–34 290 9
Draug Destroyer  Royal Norwegian Navy 1910–13 (approx.) 578 3
Eagle Patrol boat  United States Navy 1918-19 625 60
Flower Corvette
1939–44 940 225
Gabbiano Corvette  Regia Marina 1942 672 40
Generali Torpedo boat  Regia Marina 1921 832 6
Gor Gunboat/Minesweeper  Royal Norwegian Navy 1884-87 290 2
H Submarine  Royal Danish Navy 407 4
Ha-101 Transport submarine  Imperial Japanese Navy 1944–1945 501 10
Ha-201 Submarine  Imperial Japanese Navy 1945 440 10
Isles Naval trawler  Royal Navy 1940–44 554 145
Jaskółka Minesweeper  Polish Navy 1934–1938 183 6
Kuha Minesweeper  Finnish Navy 1941–46 18 6
Kyzikos Torpedo boat  Hellenic Navy 1914–15 270 3
La Masa Torpedo boat  Regia Marina 1917 840 8
Mackerel Submarine  United States Navy 1940–41 825 2
Mameli Submarine  Regia Marina 1929 880 4
Momi Destroyer  Imperial Japanese Navy 1918–23 770 21
Momo Destroyer  Imperial Japanese Navy 1917–18 835 4
Najaden Torpedo boat  Royal Danish Navy 1943 782 2
Odin Destroyer  Royal Norwegian Navy 1939 632 3
Ōtori Torpedo boat  Imperial Japanese Navy 1935–37 840 8
Oruç Reis Submarine  Royal Navy 1940 856 4
Orsa Torpedo boat  Regia Marina 1938 840 4
Perla Submarine  Regia Marina 1936 697 10
Pichincha Coast Guard vessel  Colombia 120 3
Pilo Torpedo boat  Regia Marina 1915 770 7
Pisani Submarine  Regia Marina 1930 880 4
Proussa Torpedo boat  Hellenic Navy 1915–16 266 2
R Submarine  United States Navy 1918–19 570 27
Ro-100 Submarine  Imperial Japanese Navy 1941–1943 782 18
S Submarine  Royal Navy 1931–45 950 63
S Submarine  United States Navy 1918–25 900 48
Settembrini Submarine  Regia Marina 1932 953
Shakespearian Naval trawler  Royal Navy 1940 554 12
Sirena Submarine  Regia Marina 1934 678 12
Sirtori Torpedo boat  Regia Marina 1917 845 4
Sleipner Destroyer  Royal Norwegian Navy 1936–38 597 3
Søbjørnen Minesweeper  Royal Danish Navy 270 6
Spica Torpedo boat  Regia Marina 1936–38 640 30
Squalo Submarine  Regia Marina 1930 933 4
Trad Torpedo boat  Royal Thai Navy 1935–37 262 9
Tree Naval trawler  Royal Navy 1939–40 545 20
Trygg Torpedo boat  Royal Norwegian Navy 1919–21 220 3
Type 23 Torpedo boat  Kriegsmarine 1926 923 6
Type 24 Torpedo boat  Kriegsmarine 1926–27 923 6
Type 35 Torpedo boat  Kriegsmarine 1937–39 844 12
Type 37 Torpedo boat  Kriegsmarine 1938–40 853 9
Type I Submarine  Kriegsmarine 1936 892 2
Type II Submarine  Kriegsmarine 1939–40 300 50
U Submarine  Royal Navy 1938-43 540 49
Vale Gunboat  Royal Norwegian Navy 1874-78 260 5
Vedenia Motor torpedo boat  Romanian Naval Forces 1943–44 30 6
Wakatake Destroyer  Imperial Japanese Navy 1922–23 900 6
Wilk Submarine  Polish Navy 1929–1931 980 3
X Submarine  Royal Navy 1943–45 30 14
XE Submarine  Royal Navy 1943–45 33 12
XT Training submarine  Royal Navy 1943–45 30 6

Ships of World War II of 1,000 tons or less
























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