The 1940 United States Senate election in Texas was held on November 5, 1940. Incumbent Democratic U.S. Senator Tom Connally was re-elected to his third term in office, with only minor opposition in the Democratic primary and general elections.
^Heard, Alexander; Strong, Donald (1950). Southern Primaries and Elections 1920-1949. University of Alabama Press. pp. 177–179. ISBN9780836955248.