Mark Sullivan (California)
- 1966 – California’s 11th congressional district (D) – lost
Maurice Joseph Sullivan
- 1926 – Nevada’s at large congressional district (D) – lost
- 1930 – Nevada’s at large congressional district (D) – lost
- 1942 – Nevada’s at large congressional district (D) – won
Michael John Sullivan
- 1994 – United States Senate (Wyoming) (D) – lost
Michael T. Sullivan
- 1986 – New York’s 5th congressional district (D, Liberal, RTL) – lost
Mortimer A. Sullivan
- 1938 – Massachusetts’ 14th congressional district (Progressive Labor) – lost
Patricia Sullivan
- 1986 – New York’s 4th congressional district (D, Liberal) – lost
Patrick Joseph Sullivan
- 1928 – Pennsylvania’s 34th congressional district (R, D) – won
- 1930 – Pennsylvania’s 34th congressional district (R) – won
- 1932 – Pennsylvania’s 32nd congressional district (I) – lost
Pete Sullivan
- 1994 – Illinois’ 16th congressional district (D) – lost
Peter F. Sullivan
- 1926 – Massachusetts’ 4th congressional district (D) – lost
Richard B. Sullivan
- 1932 – New York’s 9th congressional district (Comm.) – lost
- 1934 – New York’s 22nd congressional district (I) – lost
- 1936 – New York’s 22nd congressional district (Comm.) – lost
Rod Sullivan
- 1990 – Florida’s 3rd congressional district (R) – lost
Sandra Sullivan
- 2010 – Tennessee’s 9th congressional district (I) – lost
Sean Patrick Sullivan
- 2008 – Connecticut’s 2nd congressional district (R) – lost
Silky Sullivan
- 1996 – Tennessee’s 9th congressional district (I) – lost
- 2002 – Louisiana’s 2nd congressional district (R) – lost
T. J. Sullivan
- 1924 – New York’s 29th congressional district (S) – lost
- 1926 – New York’s 29th congressional district (S) – lost
Thomas V. Sullivan
- 1926 – Minnesota’s 4th congressional district (FL) – lost
Tom Sullivan (Arkansas)
- 1944 – Arkansas’ 3rd congressional district (R) – lost
Tom Sullivan (Florida)
- 2000 – Florida’s 4th congressional district (D) – lost
Tom Sullivan (Idaho)
- 2010 – United States Senate (Idaho) (D) – lost
Vernon L. Sullivan
- 1924 – Texas’ 16th congressional district (R) – lost
W. Mark Sullivan
- 1964 – California’s 11th congressional district (D) – lost
Webb Sullivan
- 1998 – Montana’s at large congressional district (Ref.) – lost
William H. Sullivan
- 1958 – Massachusetts’ 5th congressional district (D) – lost
William W. Sullivan
- 1946 – Connecticut’s 4th congressional district (Independent Voters) – lost
Milton Sullivant
- 1950 – Kansas’ 2nd congressional district (D) – lost
Josephine B. Sulston
- 1944 – United States Senate (Washington) (Proh.) – lost
Myron Sulzberger, Jr.
- 1946 – New York’s 17th congressional district (D) – lost
Jeff Sumerel
- 2012 – South Carolina’s 4th congressional district (G) – lost
Anne Sumers
- 2002 – New Jersey’s 5th congressional district (D) – lost
J. J. Summerell
- 2016 – North Carolina’s 1st congressional district (L) – lost
Betsy Summers
- 2004 – United States Senate (Pennsylvania) (L) – lost
Charles E. Summers, Jr.
- 2004 – Maine’s 1st congressional district (R) – lost
- 2008 – Maine’s 1st congressional district (R) – lost
- 2012 – United States Senate (Maine) (R) – lost
H. Sharp Summers
- 1940 – West Virginia’s 2nd congressional district (R) – lost
Jason Summers
- 2016 – Maryland’s 5th congressional district (L) – lost
John William Summers
- 1920 – Washington’s 4th congressional district (R) – won
- 1922 – Washington’s 4th congressional district (R) – won
- 1924 – Washington’s 4th congressional district (R) – won
- 1926 – Washington’s 4th congressional district (R) – won
- 1928 – Washington’s 4th congressional district (R) – won
- 1930 – Washington’s 4th congressional district (R) – won
- 1932 – Washington’s 4th congressional district (R) – lost
- 1934 – Washington’s 4th congressional district (R) – lost
- 1936 – Washington’s 4th congressional district (R) – lost
Scott Summers
- 2008 – Illinois’ 16th congressional district (G) – lost
- 2016 – United States Senate (Illinois) (G) – lost
Robert M. Summitt
- 1964 – Tennessee’s 3rd congressional district (D) – lost
Ben O. Sumner
- 1934 – Illinois’ 23rd congressional district (R) – lost
- 1936 – Illinois’ 23rd congressional district (R) – lost
- 1940 – Illinois’ 23rd congressional district (R) – lost
Bert Sumner
- 1968 – South Carolina’s 5th congressional district (I) – lost
Bruce W. Sumner
- 1986 – California’s 40th congressional district (D) – lost
James Burton Sumner
- 1970 – South Carolina’s 5th congressional district (I) – lost
- 1974 – South Carolina’s 5th congressional district (I) – lost
Jane Sumner
- 1966 – Texas’ 10th congressional district (R) – lost
Jessie Sumner
- 1938 – Illinois’ 18th congressional district (R) – won
- 1940 – Illinois’ 18th congressional district (R) – won
- 1942 – Illinois’ 18th congressional district (R) – won
- 1944 – Illinois’ 18th congressional district (R) – won
Park Sumner
- 1934 – Ohio’s 14th congressional district (S) – lost
- 1936 – Ohio’s 14th congressional district (I) – lost
Wallace Sumner
- 1934 – Iowa’s 4th congressional district (FL) – lost
Hatton William Sumners
- 1920 – Texas’ 5th congressional district (D) – won
- 1922 – Texas’ 5th congressional district (D) – won
- 1924 – Texas’ 5th congressional district (D) – won
- 1926 – Texas’ 5th congressional district (D) – won
- 1928 – Texas’ 5th congressional district (D) – won
- 1930 – Texas’ 5th congressional district (D) – won
- 1932 – Texas’ 5th congressional district (D) – won
- 1934 – Texas’ 5th congressional district (D) – won
- 1936 – Texas’ 5th congressional district (D) – won
- 1938 – Texas’ 5th congressional district (D) – won
- 1940 – Texas’ 5th congressional district (D) – won
- 1942 – Texas’ 5th congressional district (D) – won
- 1944 – Texas’ 5th congressional district (D) – won
Daniel G. Sumrall
- 2006 – Connecticut’s 3rd congressional district (G) – lost
Sharon Sund
- 2014 – Minnesota’s 3rd congressional district (DFL) – lost
Charles F. Sundblade
- 1984 – Connecticut’s 1st congressional district (L) – lost
Dakin Sundeen
- 2014 – California’s 13th congressional district (R) – lost
