USS Shamrock Bay (CVE-84) was a Casablanca-class escort carrier of the United States Navy. She was laid down with the hull code ACV-84 on 15 March 1943 by the Kaiser Co., Vancouver, Washington, under a Maritime Commission contract (MC hull 1121); re-designated CVE-84 on 10 June 1943; launched on 4 February 1944; sponsored by Mrs. James R. Dudley; and commissioned on 15 March 1944, Captain Frank T. Ward, Jr., in command.