William Blakely Jones (March 20, 1907 – July 31, 1979) was a United States federal judge.
Born in Cedar Rapids, Iowa, Jones received an A.B. from the University of Notre Dame in 1928 and an LL.B. from Notre Dame Law School in 1931. He was in private practice in Helena, Montana from 1931 to 1937. He was a Special assistant state attorney general of Montana from 1935 to 1937. He was an Attorney, U.S. Department of Justice from 1937 to 1943. He was an Attorney, U.S. Office of Patents and Appeals in 1943. He was an Executive assistant to American chairman, Joint British-American Patent Interchange Commission from 1943 to 1946. He was in private practice in Washington, D.C., from 1946 to 1962.
Judge of the United States District Court for the District of Columbia, Jones was nominated by President John F. Kennedy on March 19, 1962, to a seat vacated by F. Dickinson Letts. He was confirmed by the United States Senate on April 11, 1962, and received his commission on April 12, 1962. He served as chief judge from 1975-1977. He assumed senior status on March 20, 1977. Jones served in that capacity until July 31, 1979, due to his death.