Orville Edwin Langley (died September 12, 1973) was a United States federal judge.
Langley received a B.S. from Harvard University in 1932 and an LL.B. from the University of Tulsa College of Law in 1940. He was in private practice in Muskogee, Oklahoma from 1940 to 1961. He was in the United States Army Colonel from 1942 to 1946. He was a member of the Oklahoma House of Representatives from 1949 to 1952. He was the United States Attorney for the Eastern District of Oklahoma from 1961 to 1965.
On January 7, 1965, Langley was nominated by President Lyndon B. Johnson to a seat on the United States District Court for the Eastern District of Oklahoma vacated by Eugene Rice. He was confirmed by the United States Senate on January 26, 1965, and received his commission on January 27, 1965. He served as chief judge from 1965-1973. Langley served in that capacity until his death.