USS Vammen (DE-644) was a Buckley-class destroyer escort of the United States Navy, named in honor of Ensign Clarence E. Vammen, Jr. (1919–1942), a naval aviator who died in the Battle of Midway. Vammen was laid down on 1 August 1943 at San Francisco, Calif., by the Bethlehem Steel Corporation; launched on 21 May 1944, sponsored by Mrs. Earle Morgan, aunt of the late Ensign Vammen; and commissioned on 27 July 1944, with Lieutenant Commander L. M. King, Jr., USNR, in command.