USS Mount Katmai (AE-16) was a Mount Hood-class ammunition ship of the United States Navy, that saw service in the Korean War and the Vietnam War. The ship was laid down on 11 November 1944 by North Carolina Shipbuilding Co., Wilmington, N.C.; launched on 6 January 1945, sponsored by Mrs. A. E. DeMaray; and commissioned on 21 July 1945 at Jacksonville, Florida, Comdr. C. H. Ross in command.