- Source: USS Portsmouth
- Pertempuran Benteng Sungai Mutiara
- USS Okinawa (LPH-3)
- USS Texas (1892)
- USS Bowfin
- USS Threadfin (SS-410)
- USS Congress (1799)
- USS Stingray (SS-186)
- USS Powhatan (1850)
- James Barron
- USS Chesapeake (1799)
- USS Portsmouth
- USS Portsmouth (1843)
- Portsmouth (disambiguation)
- California Republic
- Portsmouth, New Hampshire
- USS Portsmouth (SSN-707)
- USS Portsmouth (CL-102)
- Portsmouth Square
- John B. Montgomery
- Andrew Hull Foote
USS Portsmouth may refer to the following ships of the United States Navy:
USS Portsmouth (1798), was a 24-gun ship in service from 1798 to 1801
USS Portsmouth (1843), was a sloop-of-war commissioned in 1844, active in the Mexican–American War 1846–1848, decommissioned in 1878 but continuing as a training ship until 1915
USS Portsmouth (CL-102), was a Cleveland-class light cruiser in service from 1945 to 1949
USS Portsmouth (SSN-707), a Los Angeles-class nuclear attack submarine commissioned in 1983 and decommissioned in 2004