Clarence Earl Vammen, Jr. (17 October 1919 – 6 June 1942) was a United States Navy aviator during World War II. Vamman was born in Aberdeen, Washington, on 17 October 1919. He attended Pomona Junior College in California before enlisting in the Naval Reserve on 17 February 1941 at Long Beach, Calif. After his initial duty at the Naval Reserve Aviation Base Long Beach, Seaman 2d Class Vammen was transferred to naval air station at Pensacola, Fla., on 27 March. On 3 April, he was discharged at his own request to accept an appointment as an aviation cadet.