William Robert Collinson
William Robert Collinson (August 26, 1912 – June 1, 1995) was a United States federal judge.
Born in Chariton, Iowa, Collinson received an A.B. from Drury College in 1933 and a J.D. from the University of Missouri School of Law in 1935. He was in private practice in Kansas City, Missouri from 1935 to 1936, and then in Springfield, Missouri until 1941. He was a prosecuting attorney for Springfield from 1941 to 1944, and was in the United States Navy towards the end of World War II, from 1944 to 1946. He returned to private practice in Springfield from 1946 to 1949. He was a Missouri circuit judge from 1949 to 1965.
On July 14, 1965, Collinson was nominated by President Lyndon B. Johnson to a jointly held seat on the United States District Court for the Eastern District of Missouri and the Western District of Missouri, both vacated by Richard M. Duncan. Collison was confirmed by the United States Senate on August 11, 1965, and received his commission the same day. He assumed senior status on August 19, 1980, serving in that capacity until his death, in Springfield.