Charles Russell Clason (September 3, 1890 – July 7, 1985) was a Republican member of the United States House of Representatives from Massachusetts and an attorney.

He worked for the Interstate Commerce Commission and the United States Department of Education in 1913 and 1914.

He served as a sergeant major in the Coast Artillery in the Army in World War I.

He was elected to the United States House of Representatives in 1936, and served six consecutive terms.

After he lost the 1948 election to Foster Furcolo, Clason became dean of the Western New England College School of Law, located in Springfield, Massachusetts.