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