Air Service, United States Army Lieutenant Frederick Ernest Luff was an American flying ace during World War I.

He subsequently lived an invalid's life before expiring at home in Cleveland, Ohio in late April 1931.

[1] Luff joined the United States Army Air Service during World War I and was trained as a pilot.

He destroyed three German Fokker D.VII fighters and two observation balloons between 19 August and 15 September 1918, earning a Distinguished Flying Cross for his deeds.

Luff returned to the United States after the war, and survived an airplane crash at Lorain, Ohio in May 1919.