List of World War II ships of less than 1000 tons

The List of World War II ships of less than 1000-tons is an alphabetical list of minor military ships of World War II. Only ships with a displacement of less than 1000-tons are listed. For larger vessels, see also list of World War II ships. For 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)
Template:Sclass2-	Torpedo Boat/Gunboat	Romanian Naval Forces	1914	266	3
A	Submarine	Royal Norwegian Navy	1914	268	3
Template:Sclass-	Submarine	Regia Marina	1935	697	13
Template:Sclass-	Submarine	Regia Marina	1936	697	17
Template:Sclass-	Submarine	Royal Danish Navy	1915	237	5
Template:Sclass-	Minesweeper	Finnish Navy	1937	17	6
Template:Sclass-	Submarine	Regia Marina	1936	985	2
Template:Sclass-	Submarine	Regia Marina	1936	810	2
Template:Sclass-	Submarine	Regia Marina	1932	667	10
B	Submarine	Royal Norwegian Navy	1923–29	365	6
Template:Sclass-	Submarine	Regia Marina	1930	937	4
Template:Sclass-	Minesweeper	Royal Navy	1940–44	600	128
Template:Sclass2-	Minesweeper	Royal Navy	1938–40	607	45
Template:Sclass-	Submarine	Regia Marina	1931	982	2
C	Submarine	Royal Danish Navy		369	3
Template:Sclass-	Patrol Boat	Republic of China Navy		400	10
Template:Sclass-	Torpedo Boat	Imperial Japanese Navy	1933	535	4
Template:Sclass-	Torpedo Boat	Regia Marina	1923–24	967	4
D	Submarine	Royal Danish Navy		369	2
Template:Sclass2-	Naval Trawler	Royal Navy	1940	554	20
Template:Sclass-	Destroyer	Royal Danish Navy	1929–34	290	9
Template:Sclass-	Destroyer	Royal Norwegian Navy	1910–13 (approx)	578	3
Template:Sclass2-	Corvette	Royal Navy Royal Canadian Navy	1939–44	940	225
Template:Sclass-	Corvette	Regia Marina	1942	672	40
Template:Sclass-	Torpedo Boat	Regia Marina	1921	832	6
Template:Sclass-	Gunboat/Minesweeper	Royal Norwegian Navy	1884-87	290	2
H	Submarine	Royal Danish Navy		407	4
Template:Sclass2-	Naval Trawler	Royal Navy	1940–44	554	145
Template:Sclass-	Minesweeper	Finnish Navy	1941–46	18	6
Template:Sclass-	Torpedo Boat	Hellenic Navy	1914–15	270	3
Template:Sclass-	Torpedo Boat	Regia Marina	1917	840	8
Template:Sclass-	Submarine	United States Navy	1940–41	825	2
Template:Sclass-	Submarine	Regia Marina	1929	880	4
Template:Sclass-	Destroyer	Imperial Japanese Navy	1918–23	770	21
Template:Sclass-	Destroyer	Imperial Japanese Navy	1917–18	835	4
Template:Sclass-	Torpedo boat	Royal Danish Navy	1943	782	2
Template:Sclass-	Destroyer	Royal Norwegian Navy	1939	632	3
Template:Sclass-	Torpedo Boat	Imperial Japanese Navy	1935–37	840	8
Template:Sclass-	Submarine	Royal Navy	1940	856	4
Template:Sclass-	Torpedo Boat	Regia Marina	1938	840	4
Template:Sclass-	Submarine	Regia Marina	1936	697	10
Pichincha	Coast Guard Vessel	Colombia		120	3
Template:Sclass-	Torpedo Boat	Regia Marina	1915	770	7
Template:Sclass-	Submarine	Regia Marina	1930	880	4
Proussa	Torpedo Boat	Hellenic Navy	1915–16	266	2
R	Submarine	United States Navy	1918–19	570	27
S	Submarine	Royal Navy	1931–45	950	63
S	Submarine	United States Navy	1918–25	900	48
Template:Sclass-	Submarine	Regia Marina	1932	953
Template:Sclass2-	Naval Trawler	Royal Navy	1940	554	12
Template:Sclass-	Submarine	Regia Marina	1934	678	12
Template:Sclass-	Torpedo Boat	Regia Marina	1917	845	4
Template:Sclass-	Destroyer	Royal Norwegian Navy	1936–38	597	3
Template:Sclass-	Minesweeper	Royal Danish Navy		270	6
Template:Sclass-	Torpedo Boat	Regia Marina	1936–38	640	30
Template:Sclass-	Submarine	Regia Marina	1930	933	4
Template:Sclass-	Torpedo Boat	Royal Thai Navy	1935–37	262	9
Template:Sclass2-	Naval Trawler	Royal Navy	1939–40	545	20
Template:Sclass-	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
Template:Sclass2-	Submarine	Royal Navy	1938-43	540	49
Template:Sclass-	Gunboat	Royal Norwegian Navy	1874-78	260	5
Vedenia	Motor Torpedo Boat	Romanian Naval Forces	1943–44	30	6
Template:Sclass-	Destroyer	Imperial Japanese Navy	1922–23	900	6
Template:Sclass2-	Submarine	Royal Navy	1943–45	30	14
Template:Sclass2-	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

• Ahti (Estonia): 140-ton gunboat
• Ajonpää (Finland): 52-ton Ajonpää class minesweeper
• Aura (Finland): 400-ton coast guard and escort vessel
• Aura II (Finland): 563-ton presidential yacht and escort vessel

• Baire (Cuba): 500-ton gunboat
• Barranquilla (Colombia): 142-ton gunboat
• Bathurst Class (Argentina): 500-ton minesweeper
• Belomorec (Bulgaria): 77-ton patrol boat
• Beskytteren (Denmark): 415-ton fisheries patrol vessel
• Birago (Germany): 50-ton patrol boat, ex-Siofok (Austria)
• Bogota (Colombia): 360-ton gunboat
• Bouchard class (Argentina): 450-ton minesweeper
• Brand (Norway): 107-ton torpedo boat

• Capitan Quevedo (Cuba): 115-ton coast guard craft
• Carabobo (Colombia): 120-ton coast guard vessel
• Carioca (Brazil): 552-ton mine layer
• Cartagena (Colombia): 142-ton gunboat
• Chiang Kung (China): 250-ton patrol boat
• Chiang Tai (China): 250-ton patrol boat
• Chen Shen (China): 275-ton river gunboat
• Chernomorec (Bulgaria): 77-ton patrol boat
• Chi Jih (China): 500-ton survey vessel
• Chien Chung (China): 90-ton river gunboat
• Chien Kang (China): 390-ton destroyer, became Yamasemi (Japan)
• Chu Chien (China): 740-ton gunboat
• Chu Kuan (China): 740-ton gunboat
• Chu Tai (China): 740-ton gunboat
• Chu Tung (China): 740-ton gunboat
• Chu Yiu (China): 740-ton gunboat
• Chu Yu (China): 740-ton gunboat
• Chung Shan (China): 780-ton gunboat, ex-Yung Feng
• Cordoba (Argentina): 890-ton destroyer
• Cordoba (Colombia): 360-ton gunboat
• Czajka (Poland) 183-ton minesweeper
• Czapla (Poland) 183-ton minesweeper

• Diez de Octubre (Cuba): 218-ton gunboat
• Dragen (Denmark): 290-ton torpedo boat, became TFA3 (Germany)
• Drazki torpedo boat (Bulgaria): 97-ton torpedo boat, commissioned 5 Jan 1908, today museum ship
• Drski (Bulgaria): 97-ton minesweeper
• Durres (Albania): 46-ton patrol boat

• El Fateh (Egypt): 128-ton river gunboat
• El Zahir (Egypt): 128-ton river gunboat
• Elicura (Chile): 400-ton coast guard vessel

• Fei Ying (China): 850-ton destroyer
• Freja (Denmark): 322-ton patrol boat, became Sudpol (Germany), then Freya (Germany)
• Fresia (Chile): 435-ton submarine
• Frøya (Norway): 870-ton minelayer
• Fu Yu (China): 630-ton gunboat

• General Haller (Poland): 342-ton gunboat
• Glenten (Denmark): 290-ton torpedo boat
• Glommen (Norway): 351-ton minelayer
• Guacolda (Chile): 435-ton submarine
• Guale (Chile): 435-ton submarine

• Hafir (Egypt): 74-ton river gunboat
• Hai Fu (China): 166-ton gunboat
• Hai Ho (China): 211-ton river gunboat
• Hai Hung (China): 190-ton gunboat
• Hai Ku (China): 190-ton gunboat
• Hai Ou (China): 166-ton patrol boat
• Hai Peng (China): 211-ton river gunboat
• Hai Yen (China): 56-ton patrol boat
• Hämeenmaa (Finland): 400-ton training sloop
• Havkatten (Denmark): 108-ton torpedo boat
• Havørnen (Denmark): 108-ton torpedo boat and minesweeper
• Heimdal (Norway): 578-ton offshore patrol vessel
• Hejmdal (Denmark): 705-ton patrol boat, became Nerger (Germany)
• Henrik Gerner (Denmark): 463-ton submarine tender and minelayer
• Henrique Diaz (Brazil): 680-ton trawler
• Hitra (Norway): 125-ton submarine chaser
• Høgen (Denmark): 290-ton torpedo boat, became TFA1 (Germany)
• Hoi Fu (China): 680-ton gunboat
• Honningsvåg (Norway): 487-ton naval trawler
• Hsien Ning (China): 418-ton gunboat
• Hu Ngo (China): 97-ton torpedo boat, became Kawasemi (Japan)
• Hu Peng (China): 97-ton torpedo boat
• Hu Tsuin (China): 97-ton torpedo boat
• Hu Ying (China): 97-ton torpedo boat
• Hvalen (Denmark): 290-ton torpedo boat, became TFA5 (Germany)
• Hvalrossen (Denmark): 160-ton torpedo boat

• Iguape (Brazil): 150-ton minesweeper
• Iku-Turso (Finland): 716-ton submarine
• Ilmatar (Estonia): gunboat
• Islands Falk (Denmark): 760-ton fishery patrol vessel
• Itacuruca (Brazil): 210-ton mine layer
• Itajahy (Brazil): 150-ton minesweeper
• Itapemirim (Brazil): 340-ton mine layer

• Jaskółka (Poland): 183-ton minesweeper
• Jen Shen (China): 300-ton gunboat
• Junín (Colombia): 120-ton coast guard vessel
• Jurmo (Finland): 400-ton tug

• Kalanpää (Finland): 52-ton Ajonpää class minesweeper
• Kalev (Estonia): 834-ton submarine
• Karjala (Finland): 342-ton gunboat
• Khrabry (Bulgaria): 97-ton minesweeper
• Kiang Chen (China): 550-ton gunboat
• Kiang Heng (China): 550-ton gunboat
• Kiang Hsi (China): 140-ton gunboat
• Kiang Kun (China): 140-ton gunboat
• Kiang Li (China): 550-ton gunboat
• Kiang Yuan (China): 550-ton gunboat
• King (Argentina): 900-ton gunboat
• Kjell (Norway): 84-ton 2nd class torpedo boat
• King Haakon VII (Norway): 357-ton PC class escort ship
• Komendant Piłsudski (Poland) 342-ton Gunboat
• Kung Chen (China): 90-ton river gunboat
• Kvintus (Denmark): 186-ton minlayer, became Fürstenburg (Germany)

• La Plata (Argentina): 890-ton destroyer
• Laaland (Denmark): 350-ton minelayer
• Laine (Estonia): 211-ton gunboat
• Laxen (Denmark): 290-ton torpedo boat, became TFA6 (Germany)
• Lech (Poland) 280-ton Tugboat
• Lembit (Estonia): 834-ton submarine
• Leopard, former HNoMS Balder (Norway, then Germany): 708-ton torpedo boat, returned to Norway 1949, scrapped 1961
• Li Chieh (China): 266-ton gunboat, became Lisui (Japan)
• Lieska (Finland): 60-ton minelayer
• Lindormen (Denmark): 614-ton minelayer, became Vs1401 (Germany)
• Loimu (Finland): 60-ton minelayer
• Lossen (Denmark): 628-ton minelayer
• Lougen (Denmark): 350-ton minelayer
• Louhi (Finland): 640-ton minelayer and submarine tender

• Maagen (Denmark): 110-ton fishery patrol vessel
• Makrelen (Denmark): 108-ton torpedo boat
• Maranho (Brazil): 934-ton destroyer
• Mardus (Estonia): 80-ton gunboat
• Mariscal Sucre (Colombia): 125-ton gunboat
• Marsuinul (Romania): 636-ton submarine
• Mato Grosso (Brazil): 560-ton destroyer
• Mazur (Poland) 340-ton torpedo boat
• Mewa (Poland): 183-ton minesweeper
• Miina (Finland): 80-ton mine tender
• Ming Chuen (China): 465-ton gunboat
• Ming Sen (China): 465-ton gunboat, captured by Japan
• MTB 102 (UK) 68-foot Motor Torpedo Boat
• MTB 345 (UK, then Norway) 16.05-ton Motor Torpedo Boat
• Murature (Argentina): 900-ton gunboat
• Najaden (Denmark): 782-ton torpedo boat, completed 1947
• Narhvalen (Denmark): 108-ton torpedo boat and minesweeper
• Narvi (Finland): 400-ton tug
• SS Nautilus (India): 300 ton gun boat and coast guard
• Nordkaperen (Denmark): 108-ton torpedo boat
• Nordkapp (Norway): 275-ton fishery protection vessel
• Nymphen (Denmark): 782-ton torpedo boat, completed 1947

• Ørnen (Denmark): 290-ton torpedo boat, became TFA2 (Germany)
• Otra (Norway): 355-ton minesweeper

• Panay (USA): 474-ton river gunboat, sunk 12 December 1937
• Paraguacu (Brazil): 430-ton river monitor
• Parnaiba (Brazil): 620-ton river monitor
• Paukku (Finland): 60-ton minelayer
• Pernambuco (Brazil): 470-ton river monitor
• Pichincha (Colombia): 120-ton coast guard vessel, class of 3
• Pikker (Estonia): 500-ton yacht, became Kiev (USSR) and later Luga (USSR)
• Pol III (Norway): 214-ton guard vessel
• Pommi (Finland): 80-ton mine tender
• Porkala (Finland): 162-ton minesweeper
• Pukkio (Finland): 162-ton minesweeper

• Quidora (Chile): 435-ton submarine

• Rauma (Norway): 355-ton minesweeper
• Rautu (Finland): 165-ton minesweeper
• Rechinul (Romania): 585-ton submarine
• Reiher (Germany): 109-ton training vessel, ex-West Diep (Belgium), became Warendorp
• Riilahti (Finland): 310-ton minelayer and antisubmarine escort
• Rio Pardo (Brazil): 132-ton submarine chaser
• Ristna (Estonia): 500-ton sidewheeler minelayer
• Rucamilla (Chile): 435-ton submarine
• Ruotsinsalmi (Finland): 310-ton minelayer and antisubmarine escort
• Rybitwa (Poland): 183-ton minesweeper
• Ryś (Poland): 980-ton submarine

• Sæl (Norway): 107-ton 1. class torpedo boat
• Sælen (Denmark): 108-ton torpedo boat
• Salta (Argentina): 920-ton submarine
• Santa Fe (Argentina): 920-ton submarine
• Santa Marta (Colombia): 142-ton gunboat
• Santiago del Estero (Argentina): 920-ton submarine
• Saranda (Albania): 46-ton patrol boat
• Saukko (Finland): 142-ton submarine
• Shu Shen (China): 380-ton gunboat
• Siofuk (Austria): 50-ton patrol boat, became the Birago (Germany)
• Sixtus (Denmark): 186-ton minelayer
• Smely (Bulgaria): 97-ton torpedo boat and minesweeper
• Smok (Poland): 711-ton Tugboat
• Søhunden (Denmark): 108-ton torpedo boat and minesweeper
• Søridderen (Denmark): 108-ton torpedo boat and minesweeper, became Hajen (Germany)
• Springeren (Denmark): 108-ton torpedo boat and minesweeper
• Støren (Denmark): 108-ton torpedo boat and minesweeper
• Storm (Norway): 107-ton torpedo boat
• Strogi (Bulgaria): 97-ton torpedo boat and minesweeper
• Sulev (Estonia): 228-ton torpedo boat, became Ametist (USSR)
• Suurop (Estonia): 500-ton sidewheeler minelayer and minesweeper

• Ta Tung (China): 900-ton patrol boat
• Taara (Estonia): gunboat
• Tamoio (Brazil): 844-ton submarine, ex-Ascianghi (Italy)
• Tartu (Estonia): 108-ton gunboat
• Tegualda (Chile): 435-ton submarine
• Teh Sheng (China): 932-ton gunboat, scuttled 1937
• Ternen (Denmark): 100-ton surveying tender and patrol boat
• Timbira (Brazil): 844-ton submarine, ex-Gondor (Italy)
• Tirane (Albania): 46-ton patrol boat
• Thorodd (Norway): 406-ton patrol boat
• Tse Chiang (China): 900-ton patrol boat
• Tung An (China): 390-ton destroyer
• Tupi (Brazil): 844-ton submarine, ex-Italian submarine Neghelli
• Tursas (Finland): 360-ton trawler
• Turunmaa (Finland): 342-ton gunboat
• Uisko (Finland): 360-ton trawler
• Uruguay (Argentina): 550-ton sloop
• Uku (Estonia): Gunboat
• Uusimaa (Finland): 400-ton gunboat

• Veinti y Cuatro de Febrero (Cuba): 218-ton gunboat
• Vesihiisi (Finland): 716-ton submarine
• Vesikko (Finland): 300-ton submarine
• Vetehinen (Finland): 716-ton submarine
• Vidar (Norway): 260-ton minelayer
• Vilppula (Finland): 165-ton minesweeper
• Vlorë (Albania): 46-ton patrol boat

• Wakakura (New Zealand): 540-ton Castle class naval trawler
• Warendorp (Germany): 109-ton training vessel, ex-Reiher
• Wei Sheng (China): 932-ton gunboat, scuttled in 1937
• West Diep (Belgium): 109-ton torpedo boat, became Reiher (Germany)
• Wielingen (Belgium): 227-ton torpedo boat
• Wilk (Poland) 980-ton submarine
• Wu Feng (China): 200-ton gunboat

• Yi Shen (China): 350-ton gunboat
• YP-19 (USA), 37.5-ton patrol vessel
• Yung An (China): 90-ton river gunboat
• Yung Chi (China): 860-ton gunboat, became Hai Hsing (Japan)
• Yung Chien (China): 860-ton gunboat, became Asuka (Japan)
• Yung Feng (China): 780-ton gunboat, became Chung Shan
• Yung Hsiang (China): 780-ton gunboat
• Yung Shen (China): 300-ton gunboat
• Yung Sui (China): 650-ton river gunboat
• Żbik (Poland) 980-ton submarine
• Żuraw (Poland) 183-ton minesweeper