German submarine U-32

U-32 may refer to one of the following German submarines:


 * SMU U-32 (Germany), was a Type U 31 submarine launched in 1914 and that served in the First World War until sunk on 8 May 1918
 * During the First World War, Germany also had these submarines with similar names:
 * SMU UB-32, a Type UB II submarine launched in 1915 and sunk on 22 September 1917
 * SMU UC-32, a Type UC II submarine launched in 1916 and sunk on 23 February 1917
 * GS U-32 (1937), a Type VIIA submarine that served in the Second World War until sunk on 30 October 1940
 * GS U-32 (S182), a Type 212 submarine of the Bundesmarine that was launched in 2003 and in service

U-32 or U-XXXII may also refer to:
 * SMU U-32 (Austria-Hungary), a U-27 class submarine of the Austro-Hungarian Navy