Delmas Carl Hill (October 9, 1906 – December 2, 1989) was a United States federal judge.
Born in Wamego, Kansas, Hill received an LL.B. from Washburn College in 1929. He was in private practice in Wamego at various times between 1929 and 1943, also serving as the city attorney of Wamego from 1929 to 1934 and from 1937 to 1943, and as county attorney of Pottawatomie County, Kansas from 1931 to 1934. He was the United States Attorney for the District of Kansas from 1934 to 1936. He was general counsel to the Kansas State Tax Commission from 1937 to 1939. He was in the United States Army, JAG Corps, during World War II, from 1943 to 1946, thereafter returning to practice in Wamego until 1949.
On October 21, 1949, Hill received a recess appointment from President Harry S. Truman to a new seat on the United States District Court for the District of Kansas created by 63 Stat. 493. Formally nominated on January 5, 1950, Hill was confirmed by the United States Senate on March 8, 1950, and received his commission on March 9, 1950. He served as chief judge from 1957 to 1961.
On September 14, 1961, Hill was nominated by President John F. Kennedy for elevation to a new seat on the United States Court of Appeals for the Tenth Circuit created by 75 Stat. 80. He was again confirmed by the United States Senate on September 21, 1961, and received his commission on September 22, 1961. He assumed senior status on April 1, 1977, serving in that capacity until his death.