German submarine U-65

U-65 may refer to one of the following German submarines:

• SM U-65, a German Type U 63 submarine
  • During the First World War, Germany also had these submarines with similar names:
    • SM UB-65, a German Type UB III submarine
    • SM UC-65, a German Type UC II submarine7

• German submarine U-65 (1940), a German Type IXB submarine