USS Mazama (AE‑9) was a US Navy ammunition ship laid down 14 April 1942 by the Tampa Shipbuilding Co., Tampa, Fla.; launched 15 August 1943; sponsored by Mrs. Edward V. Rickenbacker; and commissioned 10 March 1944. She was named for Mount Mazama, a collapsed volcano in the Cascade Range in Oregon whose caldera is now occupied by Crater Lake.