1936 United States Senate election in Colorado

The 1936 United States Senate election in Colorado took place on November 3, 1936. Incumbent Democratic Senator Edward P. Costigan did not seek a second term in office. Democratic Governor Ed Johnson won the open race to succeed him over Raymond L. Sauter.

Primary elections were held September 8. Johnson defeated former Governor William E. Sweet for the Democratic nomination. Sauter was unopposed for the Republican nomination.

Candidates

 * Edwin C. Johnson, Governor of Colorado
 * William E. Sweet, former Governor of Colorado (1923–1925) and candidate for Senate in 1926

Candidates

 * Raymond L. Sauter

Declined

 * Larry Phipps, son of former U.S. Senator Lawrence C. Phipps

Results
Sauter was unopposed for the Republican nomination.

Candidates

 * George W. Carleton (National Union for Social Justice)
 * Edwin C. Johnson, Governor of Colorado (Democratic)
 * Ray Sauter (Republican)
 * Carle Whitehead, perennial candidate (Socialist)