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List of successful U-boats contains lists of the most successful German U-boats in the two World Wars based on total tonnage.

World War I[]

This list contains the 5 most successful German U-boats during the First World War based on total tonnage. Only sunk commercial vessels are included, not military (warships) nor damaged ships.

5 Top-scoring U-boats of World War I
Boat Type Commissioned Total
Patrols Fate Captains
SM U-35 Type U 31 3 November 1914 539,741 224 17 Surrendered, 26 November 1918 Waldemar Kophamel
Lothar von Arnauld de la Perière
Ernst von Voigt
Heino von Heimburg
SM U-39 Type U 31 13 January 1915 404,478 154 19 Surrendered, 22 March 1919 Hans Kratzsch
Walter Forstmann
Heinrich Metzger
SM U-38 Type U 31 15 December 1914 299,985 137 17 Surrendered, 23 February 1919 Max Valentiner
Wilhelm Canaris
Hans Heinrich Wurmbach
Clemens Wickel
SM U-34 Type U 31 5 October 1914 262,886 121 17 Missing, 9 November 1918 Claus Rücker
Wilhelm Canaris
Johannes Klasing
SM U-33 Type U 31 27 September 1914 229,598 84 16 Surrendered, 16 January 1919 Konrad Gansser
Gustav Sieß
Hellmuth von Doemming

World War II[]

This list contains the 10 most successful German U-boats during the Second World War based on total tonnage. Both commercial and military vessels (warships) are included but only sunk ships are included, not damaged ships.


See also[]

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