USS Dolphin may refer to:
- , a cutter in commission during 1777
- , a schooner in commission from 1821 to 1835
- , a brig intermittently in and out of commission from 1836 to 1860
- , a gunboat and dispatch vessel intermittently in and out of commission from 1885 to 1921
- , a fishing vessel examined for potential naval use in 1917 but apparently never taken over by the Navy
- , a patrol vessel in commission during 1918
- , a submarine in commission from 1932 to 1945
- , a research and development submarine in commission from 1968 to 2007