Bekah Congdon
- 2020 – Texas’ 28th congressional district (L) – lost
Charles Congdon
- 1990 – Michigan’s 10th congressional district (L) – lost
Darrell R. Conger
- 1980 – Oregon’s 3rd congressional district (R) – lost
John L. Conger
- 1982 – Kansas’ 5th congressional district (L) – lost
Russ Conger
- 2010 – New Jersey’s 3rd congressional district (L) – lost
Richard Congress
- 1970 – Washington’s 6th congressional district (SW) – lost
Nora Conklin
- 1938 – California’s 3rd congressional district (Comm.) – lost
John Bertrand Conlan
- 1972 – Arizona’s 4th congressional district (R) – won
- 1974 – Arizona’s 4th congressional district (R) – won
Charles F. Conley
- 1926 – California’s 9th congressional district (S) – lost
Don Conley III
- 2018 – Texas’ 14th congressional district (L) – lost
Robert M. Conley
- 2008 – United States Senate (South Carolina) (D) – lost
William H. Conley
- 1922 – Oklahoma’s 7th congressional district (S) – lost
- 1926 – Oklahoma’s 7th congressional district (S) – lost
Harry Byrd Conlin
- 1942 – Virginia’s 8th congressional district (R) – lost
Michael H. Conlin
- 1978 – Michigan’s 6th congressional district (R) – lost
Roxanne Barton Conlin
- 2010 – United States Senate (Iowa) (D) – lost
Greg Conlon
- 2008 – California’s 12th congressional district (Special) (R) – lost
- 2008 – California’s 12th congressional district (R) – lost
Owen E. Conn
- 1936 – Pennsylvania’s 10th congressional district (Royal Oak) – lost
Thomas Terry Connally
- 1920 – Texas’ 11th congressional district (D) – won
- 1922 – Texas’ 11th congressional district (D) – won
- 1924 – Texas’ 11th congressional district (D) – won
- 1926 – Texas’ 11th congressional district (D) – won
- 1928 – United States Senate (Texas) (D) – won
- 1934 – United States Senate (Texas) (D) – won
- 1940 – United States Senate (Texas) (D) – won
- 1946 – United States Senate (Texas) (D) – won
Matthew James Connealy
- 2004 – Nebraska’s 1st congressional district (D) – lost
Charles Robert Connell
- 1920 – Pennsylvania’s 10th congressional district (R) – won
Jodie Connell
- 1968 – Alabama’s 7th congressional district (R) – lost
- 1972 – Alabama’s 3rd congressional district (Proh.) – lost
- 1974 – Alabama’s 3rd congressional district (Proh.) – lost
Raymond C. Connell
- 1946 – New Jersey’s 12th congressional district (D) – lost
Thomas Hudson Connell
- 1978 – Connecticut’s 2nd congressional district (R) – lost
Arthur Connelly
- 1936 – Kansas’ 6th congressional district (D) – lost
J. D. Connelly
- 1920 – Pennsylvania’s 21st congressional district (D) – lost
John F. Connelly
- 1956 – New Jersey’s 13th congressional district (Independent Veteran) – lost
John R. Connelly
- 1924 – Kansas’ 6th congressional district (D) – lost
Lee Connelly
- 1986 – California’s 38th congressional district (L) – lost
- 1988 – California’s 39th congressional district (L) – lost
Maryanne S. Connelly
- 1998 – New Jersey’s 7th congressional district (D) – lost
- 2000 – New Jersey’s 7th congressional district (D) – lost
Ross J. Connelly
- 1998 – Maine’s 1st congressional district (R) – lost
Alice Conner
- 1978 – United States Senate (New Jersey) (I) – lost
F. William Conner
- 2010 – Ohio’s 7th congressional district (D) – lost
John L. Conner
- 1920 – West Virginia’s 4th congressional district (D) – lost
John W. Conner
- 1932 – Texas’ 2nd congressional district (Liberty) – lost
Marion M. Conner
- 1998 – New York’s 18th congressional district (RTL) – lost
Mike Conner
- 1936 – United States Senate (Mississippi) (D) – lost
William R. Conner
- 2006 – Ohio’s 7th congressional district (D) – lost
Maynard G. Conners
- 1970 – Maine’s 2nd congressional district (R) – lost
Tom Conners
- 2010 – Pennsylvania’s 9th congressional district (D) – lost
Lawrence Joseph Connery
- 1938 – Massachusetts’ 7th congressional district (D) – won
- 1940 – Massachusetts’ 7th congressional district (D) – won
Robert Connery, Sr.
- 1998 – Arizona’s 5th congressional district (Ref.) – lost
William Patrick Connery, Jr.
- 1922 – Massachusetts’ 7th congressional district (D) – won
- 1924 – Massachusetts’ 7th congressional district (D) – won
- 1926 – Massachusetts’ 7th congressional district (D) – won
- 1928 – Massachusetts’ 7th congressional district (D) – won
- 1930 – Massachusetts’ 7th congressional district (D) – won
- 1932 – Massachusetts’ 7th congressional district (D) – won
- 1934 – Massachusetts’ 7th congressional district (D) – won
- 1936 – Massachusetts’ 7th congressional district (D) – won
Frank Conniff
- 1964 – New York’s 26th congressional district (D, Liberal) – lost
Brendan J. Connolly
- 1980 – New York’s 13th congressional district (RTL) – lost
Charles Francis Connolly
- 1922 – New York’s 22nd congressional district (R) – lost
Charles P. Connolly
- 1998 – Iowa’s 3rd congressional district (Ref.) – lost
Dan Connolly
- 2010 – Pennsylvania’s 18th congressional district (D) – lost
Eugene P. Connolly
- 1938 – New York’s 13th congressional district (American Labor) – lost
- 1946 – New York’s 21st congressional district (D) – lost
- 1948 – New York’s 20th congressional district (American Labor) – lost
Genevieve Connolly
- 1958 – Michigan’s 16th congressional district (SL) – lost
Gerald Edward Connolly
- 2008 – Virginia’s 11th congressional district (D) – won
- 2010 – Virginia’s 11th congressional district (D) – won
- 2012 – Virginia’s 11th congressional district (D) – won
- 2014 – Virginia’s 11th congressional district (D) – won
- 2016 – Virginia’s 11th congressional district (D) – won
- 2018 – Virginia’s 11th congressional district (D) – won
- 2020 – Virginia’s 11th congressional district (D) – won
- 2022 – Virginia’s 11th congressional district (D) – won
