Sam Morris Russell (August 9, 1889 – October 19, 1971) was a U.S. Representative from Texas.

Born on a farm near Stephenville, Texas, Russell attended the rural schools and the John Tarleton Agricultural College, Stephenville, Texas.

During the First World War, he served as a private in the Forty-sixth Machine Gun Company, United States Army, in 1918 and 1919.

He studied law, was admitted to the bar in 1919, and commenced practice in Stephenville, Texas.

He resumed the practice of law, and served as Democratic county chairman from 1953 to 1955.