USS Cero has been the name of more than one United States Navy ship, and may refer to:
USS Cero (SP-1189), a patrol boat commissioned in 1917 and lost in 1918.
USS Cero (SS-225), a submarine in commission from 1943 to 1946 and from 1952 to 1953.
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.