USS ''Potomac'' or USNS ''Potomac'' may refer to one of these United States Navy ships:
* , a frigate in commission from 1831 to 1877
* , a whaler purchased in 1861 and sunk as part of the "Stone Fleet" in 1862
* , a tug in commission from 1898 to 1922
* , a presidential yacht in service from 1936 to 1945
* , an oiler in service from 1957 until destroyed in a fire in 1961
* , an oiler in service from 1976 to 1983
{{DEFAULTSORT:Potomac, USS
United States Navy ship names