Isaac Phillips Fetterman (September 1, 1887 – December 5, 1924) was an American racing driver who participated in the 1922 Indianapolis 500.
During World War I he served as a captain in the Royal Flying Corps.
[2] In 1917, Fetterman broke several records at Uniontown Speedway.
[1] On September 5, 1921, Fetterman won the Autumn Classic at Uniontown Speedway.
[3] Fetterman participated in the 1922 Indianapolis 500 using a Duesenberg Straight-8 engine.