Oliver Seth (May 30, 1915 – March 27, 1996) was a United States circuit judge of the United States Court of Appeals for the Tenth Circuit.

Born in Albuquerque, New Mexico, Seth received a Bachelor of Arts degree from Stanford University in 1937.

He was in private practice of law in Santa Fe, New Mexico in 1940.

He was a Government Appeal Agent for the Selective Service System from 1948 to 1952.

[1] Seth was nominated by President John F. Kennedy on May 24, 1962, to a seat on the United States Court of Appeals for the Tenth Circuit vacated by Judge Sam G. Bratton.