German submarine U-23

U-23 may refer to one of the following German submarines:

  • SM U-23 (Germany), was the lead ship of the Type U 23 class of submarines; launched in 1913 and served in the First World War until sunk on 20 July 1915
    • During the First World War, Germany also had these submarines with similar names:
  • German submarine U-23 (1936), a Type IIB submarine that served in the Second World War until scuttled on 10 September 1944
  • German submarine U-23 (S172), a Type 206 submarine of the Bundesmarine that was launched in 1974 and sold after decommissioning to Columbia where she serves as ARC Intrépido.

U-23 or U-XXIII may also refer to:

  • SM U-23 (Austria-Hungary), a U-20-class submarine of the Austro-Hungarian Navy
List of ships with the same or similar names
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.