U-41 may refer to one of the following German submarines:
, was a Type U 31 submarine launched in 1914 and that served in the First World War until sunk 24 September 1915 During the First World War, Germany also had these submarines with similar names: , a Type UB II submarine launched in 1916 and sunk on 5 October 1917 , a Type UC II submarine launched in 1916 and sunk on 21 August 1917 , a Type IX submarine that served in the Second World War until sunk on 5 February 1940