USS Memphis, a wooden five-gun crew steamer, was chartered by the Navy for the Paraguay Expedition against Carlos Antonio Lopez.
USS Memphis was a civilian steamship used in turn by both sides of the American Civil War, ultimately becoming the civilian steamer Mississippi.
USS Memphis (ACR-10), known for most of her career as USS Tennessee (ACR-10), was destroyed by a tsunami three months after she was renamed in 1916.
USS Memphis (CL-13), an Omaha-class light cruiser, saw action in World War II.
USNS Memphis (T-AO-162), a Cumberland-class fleet oiler, served during the Cold War.
USS Memphis (SSN-691), a Los Angeles-class submarine, was modified to serve as a test and evaluation platform.
See also CSS Memphis.