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