Robert Theodore Stafford
- 1960 – Vermont’s at large congressional district (R) – won
- 1962 – Vermont’s at large congressional district (R) – won
- 1964 – Vermont’s at large congressional district (R) – won
- 1966 – Vermont’s at large congressional district (R) – won
- 1968 – Vermont’s at large congressional district (R, D) – won
- 1970 – Vermont’s at large congressional district (R) – won
- 1976 – United States Senate (Vermont) (R) – won
- 1982 – United States Senate (Vermont) (R) – won
William Henry Stafford
- 1920 – Wisconsin’s 5th congressional district (R) – won
- 1922 – Wisconsin’s 5th congressional district (R) – lost
- 1926 – Wisconsin’s 5th congressional district (R) – lost
- 1928 – Wisconsin’s 5th congressional district (R) – won
- 1930 – Wisconsin’s 5th congressional district (R) – won
Mike Stagg
- 2006 – Louisiana’s 7th congressional district (D) – lost
Rick Staggenborg
- 2010 – United States Senate (Oregon) (Prog.) – lost
Harley Orrin Staggers, Jr.
- 1982 – West Virginia’s 2nd congressional district (D) – won
- 1984 – West Virginia’s 2nd congressional district (D) – won
- 1986 – West Virginia’s 2nd congressional district (D) – won
- 1988 – West Virginia’s 2nd congressional district (D) – won
- 1990 – West Virginia’s 2nd congressional district (D) – won
Harley Orrin Staggers, Sr.
Andrew F. Stahl
- 1920 – Wisconsin’s 1st congressional district (D) – lost
James Stahl
- 2016 – United States Senate (Ohio) (W/I) – lost
Scott Stahl
- 1930 – Ohio’s 9th congressional district (D) – lost
Lee Stahley
- 2022 – Ohio’s 3rd congressional district (R) – lost
Lynn Ellsworth Stalbaum
- 1964 – Wisconsin’s 1st congressional district (D) – won
- 1966 – Wisconsin’s 1st congressional district (D) – lost
- 1968 – Wisconsin’s 1st congressional district (D) – lost
Merrill E. Stalbaum
- 1972 – Wisconsin’s 1st congressional district (R) – lost
Isaac Stalberg
- 1938 – New Jersey’s 2nd congressional district (Roos. Ind.) – lost
Joe H. Staley, Jr.
- 1970 – Texas’ 13th congressional district (R) – lost
Owen Staley
- 1992 – California’s 36th congressional district (PF) – lost
Gale Hamilton Stalker
- 1922 – New York’s 37th congressional district (R) – won
- 1924 – New York’s 37th congressional district (R) – won
- 1926 – New York’s 37th congressional district (R) – won
- 1928 – New York’s 37th congressional district (R) – won
- 1930 – New York’s 37th congressional district (R) – won
- 1932 – New York’s 37th congressional district (R, Law Preservation) – won
Raymond W. Stalker
- 1998 – United States Senate (Illinois) (T) – lost
H. H. Stallard
- 1930 – United States Senate (Oregon) (I) – lost
- 1932 – Oregon’s 3rd congressional district (I) – lost
- 1940 – Oregon’s 3rd congressional district (I) – lost
Richard Howard Stallings
- 1982 – Idaho’s 2nd congressional district (D) – lost
- 1984 – Idaho’s 2nd congressional district (D) – won
- 1986 – Idaho’s 2nd congressional district (D) – won
- 1988 – Idaho’s 2nd congressional district (D) – won
- 1990 – Idaho’s 2nd congressional district (D) – won
- 1992 – United States Senate (Idaho) (D) – lost
- 1998 – Idaho’s 2nd congressional district (D) – lost
- 2014 – Idaho’s 2nd congressional district (D) – lost
William A. Stallknecht
- 1998 – Texas’ 23rd congressional district (L) – lost
- 2000 – Texas’ 28th congressional district (L) – lost
- 2002 – Texas’ 28th congressional district (L) – lost
Ralph G. Stallsmith
- 1948 – Indiana’s 5th congressional district (Proh.) – lost
- 1952 – Indiana’s 5th congressional district (Proh.) – lost
- 1954 – Indiana’s 5th congressional district (Proh.) – lost
- 1956 – Indiana’s 5th congressional district (Proh.) – lost
Burton Stallwood
- 1982 – Rhode Island’s 1st congressional district (R) – lost
Frank J. Stalzer
- 2008 – New York’s 2nd congressional district (R, CON) – lost
Lynn U. Stambaugh
- 1944 – United States Senate (North Dakota) (I) – lost
Nathaniel J. Stampley
- 1990 – Wisconsin’s 5th congressional district (I) – lost
James H. Stamps
- 1986 – Michigan’s 15th congressional district (I) – lost
Mrs. Stillman J. Stanard
Floyd S. Stancliffe
- 1974 – California’s 13th congressional district (AI) – lost
Joyce W. Stancliffe
- 1970 – California’s 10th congressional district (AI) – lost
James Stanczak
- 2012 – Texas’ 29th congressional district (L) – lost
- 2014 – Texas’ 29th congressional district (L) – lost
Wil Stand
- 2010 – United States Senate (Nevada) (I) – lost
W. A. Standefur
- 1948 – United States Senate (Kentucky) (S) – lost
Debbie Standiford
- 2014 – Arkansas’ 2nd congressional district (L) – lost
Kelly Standley
- 2018 – Kansas’ 2nd congressional district (L) – lost
John A. Stanek
- 1934 – Illinois’ 5th congressional district (R) – lost
H. G. Stanfield
- 1948 – United States Senate (Kentucky) (Prog.) – lost
Robert Nelson Stanfield
- 1920 – United States Senate (Oregon) (R) – won
- 1926 – United States Senate (Oregon) (I) – lost
Arlan Ingehart Stangeland
- 1978 – Minnesota’s 7th congressional district (R) – won
- 1980 – Minnesota’s 7th congressional district (R) – won
- 1982 – Minnesota’s 7th congressional district (R) – won
- 1984 – Minnesota’s 7th congressional district (R) – won
- 1986 – Minnesota’s 7th congressional district (R) – won
- 1988 – Minnesota’s 7th congressional district (IR) – won
- 1990 – Minnesota’s 7th congressional district (IR) – lost
Albert Stanley
- 1926 – United States Senate (Indiana) (Special) (Proh.) – lost
Augustus Owsley Stanley I
- 1924 – United States Senate (Kentucky) (D) – lost
David Maxwell Stanley
- 1968 – United States Senate (Iowa) (R) – lost
- 1974 – United States Senate (Iowa) (R) – lost
M. C. Stanley
- 1976 – Oklahoma’s 4th congressional district (R) – lost
Melvin E. Stanley
- 1976 – California’s 7th congressional district (AI) – lost
- 1978 – California’s 7th congressional district (AI) – lost
Rick Stanley
- 2002 – United States Senate (Colorado) (L) – lost
Steven Stanley
- 1928 – Pennsylvania’s 5th congressional district (Labor) – lost
Thomas Bahnson Stanley
- 1946 – Virginia’s 5th congressional district (D) – won
- 1948 – Virginia’s 5th congressional district (D) – won
- 1950 – Virginia’s 5th congressional district (D) – won
- 1952 – Virginia’s 5th congressional district (D) – won
Thornton Stanley
- 1970 – Alabama’s 8th congressional district (Nat. Dem.) – lost
Troy D. Stanley
- 2010 – Florida’s 4th congressional district (I) – lost
Winifred Claire Stanley
- 1942 – New York’s at large congressional district (R) – won
Sarah Stannard
- 1992 – Arizona’s 6th congressional district (I) – lost
