Robert E. Sweeney
- 1964 – Ohio’s at large congressional district (D) – won
Thomas Sweeney
- 1940 – United States Senate (West Virginia) (R) – lost
- 1946 – United States Senate (West Virginia) (R) – lost
- 1954 – United States Senate (West Virginia) (R) – lost
- 1968 – West Virginia’s 1st congressional district (R) – lost
W. R. Sweeney
- 1924 – Missouri’s 2nd congressional district (R) – lost
A. George Sweet III
- 1994 – Virginia’s 4th congressional district (R) – lost
Burton Erwin Sweet
- 1920 – Iowa’s 3rd congressional district (R) – won
John S. Sweet
- 1936 – Michigan’s 16th congressional district (American) – lost
Thaddeus Campbell Sweet
- 1924 – New York’s 32nd congressional district (R) – won
- 1926 – New York’s 32nd congressional district (R) – won
William Ellery Sweet
- 1926 – United States Senate (Colorado) (D) – lost
Dale A. Sweetland
- 2008 – New York’s 25th congressional district (R, CON) – lost
Susan W. Sweetser
- 1996 – Vermont’s at large congressional district (R) – lost
Claude B. Sweezey
- 1932 – Maryland’s 4th congressional district (R) – lost
Erling Swenson
- 1930 – Minnesota’s 10th congressional district (FL) – lost
Olin Swenson
- 1922 – Wisconsin’s 10th congressional district (S) – lost
Richard Swenson
- 1964 – Nebraska’s 2nd congressional district (D) – lost
W. G. Swenson
- 2000 – Nevada’s 1st congressional district (Citizens First) – lost
Kellen Sweny
- 2018 – Texas’ 22nd congressional district (I) – lost
Charles R. Swett
- 1946 – United States Senate (Washington) (SW) – lost
Katrina Swett
- 2002 – New Hampshire’s 2nd congressional district (D) – lost
Richard Nelson Swett
- 1990 – New Hampshire’s 2nd congressional district (D) – won
- 1992 – New Hampshire’s 2nd congressional district (D) – won
- 1994 – New Hampshire’s 2nd congressional district (D) – lost
- 1996 – United States Senate (New Hampshire) (D) – lost
Jesse Howard Swick
- 1926 – Pennsylvania’s 26th congressional district (R, Labor, S) – won
- 1928 – Pennsylvania’s 26th congressional district (R, Proh.) – won
- 1930 – Pennsylvania’s 26th congressional district (R, D) – won
- 1932 – Pennsylvania’s 26th congressional district (R, Proh., S) – won
- 1934 – Pennsylvania’s 26th congressional district (R) – lost
Joseph Swider
- 2016 – Louisiana’s 1st congressional district (D) – lost
Allan Byron Swift
- 1978 – Washington’s 2nd congressional district (D) – won
- 1980 – Washington’s 2nd congressional district (D) – won
- 1982 – Washington’s 2nd congressional district (D) – won
- 1984 – Washington’s 2nd congressional district (D) – won
- 1986 – Washington’s 2nd congressional district (D) – won
- 1988 – Washington’s 2nd congressional district (D) – won
- 1990 – Washington’s 2nd congressional district (D) – won
- 1992 – Washington’s 2nd congressional district (D) – won
Jane Maria Swift
- 1996 – Massachusetts’ 1st congressional district (R) – lost
Kat Swift
- 2014 – Texas’ 35th congressional district (G) – lost
John Leonard Swigert, Jr.
- 1982 – Colorado’s 6th congressional district (R) – won
Brian E. Swim
- 1998 – Utah’s 2nd congressional district (L) – lost
Patrick Lynn Swindall
- 1984 – Georgia’s 4th congressional district (R) – won
- 1986 – Georgia’s 4th congressional district (R) – won
- 1988 – Georgia’s 4th congressional district (R) – lost
Stephen C. Swindiman
- 1986 – California’s 2nd congressional district (D) – lost
Orson Swindle
- 1994 – Hawaii’s 1st congressional district (R) – lost
- 1996 – Hawaii’s 1st congressional district (R) – lost
Gary Swing
- 1998 – United States Senate (Colorado) (U.S. Pacifist) – lost
- 2002 – Colorado’s 3rd congressional district (NL) – lost
- 2008 – Colorado’s 1st congressional district (I-W/I) – lost
- 2010 – Colorado’s 1st congressional district (G) – lost
- 2012 – Colorado’s 1st congressional district (G) – lost
- 2014 – Colorado’s 6th congressional district (G) – lost
- 2016 – United States Senate (Arizona) (G) – lost
- 2018 – Arizona’s 7th congressional district (G) – lost
- 2020 – Colorado’s 2nd congressional district (Unity) – lost
Philip David Swing
- 1920 – California’s 11th congressional district (R) – won
- 1922 – California’s 11th congressional district (R) – won
- 1924 – California’s 11th congressional district (R) – won
- 1926 – California’s 11th congressional district (R, D) – won
- 1928 – California’s 11th congressional district (R, D) – won
- 1930 – California’s 11th congressional district (R, D) – won
Carl M. Swinney
- 1988 – California’s 34th congressional district (L) – lost
- 1992 – California’s 34th congressional district (L) – lost
- 1994 – California’s 34th congressional district (L) – lost
Howard Swint
- 2012 – West Virginia’s 2nd congressional district (D) – lost
Walter M. Swirsky
- 1976 – New Jersey’s 3rd congressional district (L) – lost
Aaron Swisher
- 2018 – Idaho’s 2nd congressional district (D) – lost
- 2020 – Idaho’s 2nd congressional district (D) – lost
Howard Switzer
- 2012 – Tennessee’s 7th congressional district (G) – lost
William B. Swonger
- 1938 – Ohio’s 4th congressional district (D) – lost
William Irvin Swoope
- 1922 – Pennsylvania’s 23rd congressional district (R) – won
- 1924 – Pennsylvania’s 23rd congressional district (R) – won
Guy Jacob Swope
- 1936 – Pennsylvania’s 19th congressional district (D) – won
- 1938 – Pennsylvania’s 19th congressional district (D) – lost
- 1956 – Pennsylvania’s 16th congressional district (D) – lost
John W. Swope
- 1964 – Kentucky’s 6th congressional district (R) – lost
King Swope
- 1920 – Kentucky’s 8th congressional district (R) – lost
Rich Sybert
- 1994 – California’s 24th congressional district (R) – lost
- 1996 – California’s 24th congressional district (R) – lost
Steve Sydness
- 1988 – North Dakota’s at large congressional district (R) – lost
- 1992 – United States Senate (North Dakota) (R) – lost
A. Sykes
- 1924 – Iowa’s 11th congressional district (D) – lost
Emilia Strong Sykes
- 2022 – Ohio’s 13th congressional district (D) – won
Frank Sykes
- 1934 – Michigan’s 1st congressional district (I) – lost
James L. Sykes
- 2002 – United States Senate (Alaska) (G) – lost
- 2004 – United States Senate (Alaska) (G) – lost
Jay G. Sykes
- 1958 – United States Senate (Washington) (United Liberals and Socialists) – lost
Barbara Zwach Sykora
- 1986 – Minnesota’s 6th congressional district (R) – lost
James J. Sykora
- 1994 – Ohio’s 11th congressional district (R) – lost
- 1996 – Ohio’s 11th congressional district (R) – lost
- 2000 – Ohio’s 11th congressional district (R) – lost
