Two vessels of the United States Navy have been named USS Olympia, after the city of Olympia, Washington.

• The first Olympia (C-6) was a protected cruiser in service from 1895 to 1922, most notably in the Spanish-American War, and presently a museum ship in Philadelphia.

• The second Olympia (SSN-717) is a Los Angeles-class nuclear attack submarine commissioned in 1984 and on active service as of 2004.