William Healy (September 10, 1881 – March 15, 1962) was a United States federal judge.
Born in Windham, Iowa, Healy received an A.B. from the University of Iowa in 1906 and graduated from the University of Iowa College of Law in 1908. He was in private practice in Silver City, Idaho from 1909 to 1913. He was a member of the Idaho Legislature in 1913. He was in private practice in Boise, Idaho from 1914 to 1934. He was a Prosecuting attorney of Owyhee County, Idaho from 1911 to 1912. He was a General counsel, U.S. Farm Credit Administration, Spokane, Washington from 1934 to 1937.
Healy was a federal judge on the United States Court of Appeals for the Ninth Circuit. Healy was nominated by President Franklin D. Roosevelt on June 8, 1937, to a new seat created by 50 Stat. 64. He was confirmed by the United States Senate on June 15, 1937, and received his commission on June 21, 1937. He assumed senior status on November 30, 1958. Healy served in that capacity until March 15, 1962, due to his death.