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. He taught school in Erath County, Texas from 1913 to 1918. He also engaged in agricultural pursuits. 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 served as county attorney of Erath County, Texas from 1919 to 1924. He served as district attorney of the Twenty-ninth Judicial District 1924–1928. He served as judge of the twenty-ninth judicial district 1928–1940.