Phil Sudan
- 2000 – Texas’ 25th congressional district (R) – lost
Clayton Suddith
- 1998 – United States Senate (Alabama) (D) – lost
Harold Sudmeyer
- 1980 – Colorado’s 1st congressional district (SW) – lost
Jose A. Suero
- 1992 – New York’s 15th congressional district (CON, Independent Fusion) – lost
- 1994 – New York’s 15th congressional district (RTL, Ind. Fusion) – lost
- 1996 – New York’s 15th congressional district (RTL) – lost
- 2000 – New York’s 15th congressional district (R, Ref.) – lost
Sheila Suess
- 1980 – Indiana’s 11th congressional district (R) – lost
Carl Sugar
- 1954 – California’s 11th congressional district (D) – lost
Maurice Sugar
- 1936 – Michigan’s 13th congressional district (FL) – lost
Sidonia Fried Sugar
- 1938 – New York’s 18th congressional district (S) – lost
Eugene L. Sugarman
- 1960 – New York’s 25th congressional district (D) – lost
Gary C. Suhadolnik
- 1986 – Ohio’s 19th congressional district (R) – lost
Betty J. Suida
- 1980 – Michigan’s 18th congressional district (R) – lost
Danial Suits
- 2008 – Arkansas’ 2nd congressional district (W/I) – lost
- 2010 – Arkansas’ 2nd congressional district (W/I) – lost
Delbert Suits
- 2008 – Indiana’s 7th congressional district (W/I) – lost
Joe Sulentic
- 1996 – United States Senate (Iowa) (Nomination by Petition) – lost
Frank J. Sulewski
- 1960 – Illinois’ 4th congressional district (D) – lost
John W. Suling
- 1944 – New Jersey’s 12th congressional district (D) – lost
Leo Sulkowski
- 1934 – Michigan’s 15th congressional district (I) – lost
Joseph F. Sulley
- 1986 – New York’s 14th congressional district (Liberal) – lost
Anna Sullivan
- 1950 – Massachusetts’ 1st congressional district (D) – lost
Arthur T. Sullivan
- 2010 – United States Senate (Ohio) (W/I) – lost
Brent Sullivan
- 2002 – Texas’ 18th congressional district (L) – lost
- 2004 – Texas’ 18th congressional district (L) – lost
Carl Sullivan
- 1952 – California’s 1st congressional district (Ind. Prog.) – lost
Charles F. Sullivan
- 1948 – New Jersey’s 3rd congressional district (D) – lost
- 1954 – New Jersey’s 3rd congressional district (D) – lost
Christopher Daniel Sullivan
- 1920 – New York’s 13th congressional district (D) – won
- 1922 – New York’s 13th congressional district (D) – won
- 1924 – New York’s 13th congressional district (D) – won
- 1926 – New York’s 13th congressional district (D) – won
- 1928 – New York’s 13th congressional district (D) – won
- 1930 – New York’s 13th congressional district (D) – won
- 1932 – New York’s 13th congressional district (D) – won
- 1934 – New York’s 13th congressional district (D) – won
- 1936 – New York’s 13th congressional district (D) – won
- 1938 – New York’s 13th congressional district (D) – won
Cynthia E. Sullivan
- 1984 – South Carolina’s 2nd congressional district (L) – lost
Cynthia Sullivan
- 1990 – Washington’s 1st congressional district (D) – lost
Daniel Scott Sullivan
- 2014 – United States Senate (Alaska) (R) – won
- 2020 – United States Senate (Alaska) (R) – won
David X. Sullivan
- 2020 – Connecticut’s 5th congressional district (R) – lost
Dennis F. Sullivan
- 1934 – New York’s 36th congressional district (D) – lost
Edward M. Sullivan
- 1924 – United States Senate (Rhode Island) (Special) (Liberal Ind.) – lost
- 1924 – United States Senate (Rhode Island) (Liberal Ind.) – lost
Florence M. Sullivan
- 1982 – United States Senate (New York) (R, CON, RTL) – lost
Frank L. Sullivan
- 1950 – New Hampshire’s 1st congressional district (D) – lost
Frank Sullivan
- 1932 – Michigan’s 13th congressional district (Comm.) – lost
Henry D. Sullivan
- 1946 – Illinois’ 15th congressional district (D) – lost
- 1948 – Illinois’ 20th congressional district (D) – lost
J. T. Sullivan
- 1932 – Washington’s 3rd congressional district (Liberty) – lost
James B. Sullivan
- 1956 – New Hampshire’s 1st congressional district (D) – lost
James L. Sullivan
- 1956 – Missouri’s 2nd congressional district (D) – lost
- 1958 – Missouri’s 2nd congressional district (D) – lost
Jerry O. Sullivan
- 1968 – Iowa’s 6th congressional district (D) – lost
Jim Sullivan
- 2004 – Connecticut’s 2nd congressional district (D) – lost
Joe Sullivan
- 1980 – Texas’ 21st congressional district (D) – lost
- 1984 – Texas’ 21st congressional district (D) – lost
- 2004 – Texas’ 23rd congressional district (D) – lost
John Berchmans Sullivan
- 1940 – Missouri’s 11th congressional district (D) – won
- 1942 – Missouri’s 11th congressional district (D) – lost
- 1944 – Missouri’s 11th congressional district (D) – won
- 1946 – Missouri’s 11th congressional district (D) – lost
- 1948 – Missouri’s 11th congressional district (D) – won
- 1950 – Missouri’s 11th congressional district (D) – won
John H. Sullivan
- 1930 – New York’s 29th congressional district (S) – lost
- 1950 – New York’s 33rd congressional district (Liberal) – lost
- 1952 – New York’s 31st congressional district (Liberal) – lost
John S. Sullivan
- 1942 – Massachusetts’ 4th congressional district (D) – lost
John Sullivan
- 2002 – Oklahoma’s 1st congressional district (R) – won
- 2004 – Oklahoma’s 1st congressional district (R) – won
- 2006 – Oklahoma’s 1st congressional district (R) – won
- 2008 – Oklahoma’s 1st congressional district (R) – won
- 2010 – Oklahoma’s 1st congressional district (R) – won
John W. Sullivan
- 1954 – Virginia’s 9th congressional district (I) – lost
Joseph A. Sullivan
- 1956 – Ohio’s 7th congressional district (D) – lost
- 1958 – Ohio’s 7th congressional district (D) – lost
- 1960 – Ohio’s 7th congressional district (D) – lost
Lawrence D. Sullivan
- 1980 – Delaware’s at large congressional district (L) – lost
- 1982 – United States Senate (Delaware) (L) – lost
Leonor Kretzer Sullivan
- 1952 – Missouri’s 3rd congressional district (D) – won
- 1954 – Missouri’s 3rd congressional district (D) – won
- 1956 – Missouri’s 3rd congressional district (D) – won
- 1958 – Missouri’s 3rd congressional district (D) – won
- 1960 – Missouri’s 3rd congressional district (D) – won
- 1962 – Missouri’s 3rd congressional district (D) – won
- 1964 – Missouri’s 3rd congressional district (D) – won
- 1966 – Missouri’s 3rd congressional district (D) – won
- 1968 – Missouri’s 3rd congressional district (D) – won
- 1970 – Missouri’s 3rd congressional district (D) – won
- 1972 – Missouri’s 3rd congressional district (D) – won
- 1974 – Missouri’s 3rd congressional district (D) – won
Liz Sullivan
- 2014 – West Virginia’s 2nd congressional district (W/I) – lost
Mark Sullivan (Nebraska)
- 2012 – Nebraska’s 3rd congressional district (D) – lost
- 2014 – Nebraska’s 3rd congressional district (D) – lost
