USS Portsmouth
Four ships of the United States Navy have been named USS Portsmouth:
- USS Portsmouth ( 1798), in service 1798-1801
- USS Portsmouth ( 1843), in service 1844-1878
- USS Portsmouth (CL -102 ), a light cruiser of the Cleveland class, in service 1945-1949
- USS Portsmouth (SSN -707 ), a submarine of the Los Angeles-class, in service 1983-2004
- Ship name of the United States Navy