U-67 may refer to one of the following German submarines:
- SM U-67, a Type U 66 submarine launched in 1915 and that served in the First World War until surrendered on 20 November 1918; broken up at Fareham in 1921
- During the First World War, Germany also had these submarines with similar names:
- SM UB-67, a Type UB III submarine launched in 1917 and surrendered on 24 November 1918; broken up at Swansea in 1922
- SM UC-67, a Type UC II submarine launched in 1916 and surrendered on 16 January 1919; broken up at Briton Ferry in 1919–20
- During the First World War, Germany also had these submarines with similar names:
- German submarine U-67 (1940), a Type IXC submarine that served in the Second World War until sunk on 16 July 1943
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.