U-82 may refer to one of the following German submarines:
- SM U-82, a Type U 81 submarine launched in 1916 and that served in the First World War until surrendered on 16 January 1919; broken up at Blyth in 1922
- During the First World War, Germany also had this submarine with a similar name:
- SM UB-82, a Type UB III submarine launched in 1917 and sunk on 17 April 1918
- During the First World War, Germany also had this submarine with a similar name:
- German submarine U-82 (1941), a Type VIIC submarine that served in the Second World War until sunk on 6 February 1942
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.