William Jelks Cabaniss, Jr.
- 1990 – United States Senate (Alabama) (R) – lost
Earle Cabell
- 1964 – Texas’ 5th congressional district (D) – won
- 1966 – Texas’ 5th congressional district (D) – won
- 1968 – Texas’ 5th congressional district (D) – won
- 1970 – Texas’ 5th congressional district (D) – won
- 1972 – Texas’ 5th congressional district (D) – lost
Royal E. Cabell, Jr.
- 1956 – Virginia’s 3rd congressional district (R) – lost
Jessie J. Cable
- 1982 – Tennessee’s 1st congressional district (D) – lost
John Levi Cable
- 1920 – Ohio’s 4th congressional district (R) – won
- 1922 – Ohio’s 4th congressional district (R) – won
- 1928 – Ohio’s 4th congressional district (R) – won
- 1930 – Ohio’s 4th congressional district (R) – won
- 1932 – Ohio’s 4th congressional district (R) – lost
Mrs. James A. Cable
- 1924 – Kansas’ 2nd congressional district (Special) (D) – lost
Kristin A. Cabral
- 2012 – Virginia’s 10th congressional district (D) – lost
Stephen Cabral
- 2000 – Rhode Island’s 1st congressional district (R) – lost
Peter E. Cacchione
- 1934 – New York’s 14th congressional district (I) – lost
Cesar G. Cadabes
- 1992 – California’s 8th congressional district (PF) – lost
Charles Caddis
- 1988 – Alabama’s 6th congressional district (R) – lost
Angel Cadena
- 2016 – Connecticut’s 3rd congressional district (R) – lost
- 2018 – Connecticut’s 3rd congressional district (R) – lost
Ed Cadenhead
- 1966 – Oklahoma’s 1st congressional district (D) – lost
Tawana W. Cadien
- 2012 – Texas’ 10th congressional district (D) – lost
- 2016 – Texas’ 10th congressional district (D) – lost
Charles P. Cadigan
- 1934 – Wisconsin’s 10th congressional district (D) – lost
John A. Cadigan
- 1924 – Wisconsin’s 11th congressional district (D) – lost
Peter B. Cadigan
- 1932 – Wisconsin’s 10th congressional district (D) – lost
Richard E. Cadle
- 2010 – Ohio’s 6th congressional district (C) – lost
Sally F. Cadmus
- 1986 – Connecticut’s 1st congressional district (Unaffiliated) – lost
Wilmer A. Cadmus
- 1922 – New Jersey’s 7th congressional district (D) – lost
Cady
- 1936 – Missouri’s 7th congressional district (Proh.) – lost
Claude Ernest Cady
- 1932 – Michigan’s 6th congressional district (D) – won
- 1934 – Michigan’s 6th congressional district (D) – lost
William R. Cady
- 2004 – Texas’ 15th congressional district (L) – lost
Joseph N. O. Caesar
- 1980 – New York’s 12th congressional district (RTL) – lost
- 1982 – New York’s 11th congressional district (CON, RTL) – lost
- 1984 – New York’s 12th congressional district (R, CON, RTL) – lost
- 1986 – New York’s 12th congressional district (CON, RTL) – lost
- 1990 – New York’s 12th congressional district (CON) – lost
Capri Silvestri Cafaro
- 2004 – Ohio’s 14th congressional district (D) – lost
Frank J. Caffery
- 1942 – New York’s 42nd congressional district (D, American Labor) – lost
Patrick Thomson Caffery, Sr.
- 1968 – Louisiana’s 3rd congressional district (D) – won
- 1970 – Louisiana’s 3rd congressional district (D) – won
Charles Cafiero
- 1952 – New York’s 14th congressional district (American Labor) – lost
Bryan Caforio
- 2016 – California’s 25th congressional district (D) – lost
James M. Cahaney
- 1996 – Ohio’s 17th congressional district (NL) – lost
- 2000 – North Carolina’s 9th congressional district (Ref.) – lost
James M. Cahill
- 1922 – Illinois’ 8th congressional district (FL) – lost
John F. Cahill
- 1922 – New Jersey’s 10th congressional district (D) – lost
Maurice Cahill
- 1928 – Iowa’s 5th congressional district (D) – lost
Tierney Cahill
- 2000 – Nevada’s 2nd congressional district (D) – lost
William Thomas Cahill
- 1958 – New Jersey’s 1st congressional district (R) – won
- 1960 – New Jersey’s 1st congressional district (R) – won
- 1962 – New Jersey’s 1st congressional district (R) – won
- 1964 – New Jersey’s 1st congressional district (R) – won
- 1966 – New Jersey’s 6th congressional district (R) – won
- 1968 – New Jersey’s 6th congressional district (R) – won
John Gregory Cahin
- 1996 – United States Senate (Georgia) (L) – lost
Arthur L. Cain
- 1974 – Ohio’s 23rd congressional district (I) – lost
Bruce W. Cain
- 1996 – Michigan’s 16th congressional district (L) – lost
Emily Ann Cain
- 2014 – Maine’s 2nd congressional district (D) – lost
- 2016 – Maine’s 2nd congressional district (D) – lost
Francis J. Cain
- 1974 – Vermont’s at large congressional district (D, Independent Vermonters) – lost
Harry Pulliam Cain
- 1944 – United States Senate (Washington) (R) – lost
- 1946 – United States Senate (Washington) (R) – won
- 1952 – United States Senate (Washington) (R) – lost
Herbert R. Cain, Jr.
- 1966 – Pennsylvania’s 2nd congressional district (R) – lost
Lucy Cain
- 1992 – Texas’ 30th congressional district (R) – lost
- 1994 – Texas’ 30th congressional district (R) – lost
Ronald L. Cain
- 1998 – Georgia’s 8th congressional district (D) – lost
- 2014 – Georgia’s 8th congressional district (W/I) – lost
Stephen J. Cain
- 2010 – United States Senate (Vermont) (I) – lost
Sylvester Cain
- 2006 – Kansas’ 1st congressional district (Ref.) – lost
Martin L. Caine
- 1920 – Connecticut’s 5th congressional district (D) – lost
Salvatore G. Caiozzo
- 2016 – Rhode Island’s 2nd congressional district (I) – lost
- 2018 – Rhode Island’s 2nd congressional district (R) – lost
John J. Cairns, Jr.
- 1950 – Pennsylvania’s 24th congressional district (R) – lost
Joseph Calabelle
- 1936 – Pennsylvania’s 12th congressional district (S) – lost