Three ships in the United States Navy have been named USS Cayuga for one of the six Iroquois tribes.
- was a screw steamer launched in 1861 and served during the American Civil War.
- The tug , acquired by the Navy in 1898, was renamed USS Cayuga in 1917 and served under that name until sold in 1928. As Cayuga, she was later assigned hull number YT-12.
- was an amphibious ship launched in 1969 and decommissioned in 1994.
See also
- – American package freighter in service in the late 19th century
- was an LST-491-class tank landing ship built for the United States Navy during World War II.