USS Greiner (DE-37) was an Evarts-class destroyer escort constructed for the United States Navy during World War II. She was promptly sent off into the Pacific Ocean to protect convoys and other ships from Japanese submarines and fighter aircraft. She performed dangerous work in numerous battle areas, and was awarded three battle stars. She was originally intended for Great Britain under lend-lease, was launched as BDE-37 on 20 May 1943 by the Puget Sound Navy Yard, Bremerton, Washington and commissioned on 18 August 1943.