Catherine Anne Warnes (7 December 1949 – 20 July 1969), professionally Cathy Wayne, was an Australian singer and dancer, who was killed during a tour of Vietnam at a United States Marine Base where she was hosting with others a music concert to entertain the troops during the Vietnam War conflict. Wayne had just finished a song at a Non-commissioned officer's club near Da Nang in South Vietnam Wayne was hit by a bullet fired from a .22 pistol, fitted with a silencer, which had been stolen at the base. Wayne was the first Australian woman killed during the Vietnam War.