George W. Cooke
- 1954 – New York’s 39th congressional district (D, Liberal) – lost
Jay Cooke
- 1940 – United States Senate (Pennsylvania) (R) – lost
Kathleen Cooke
- 1978 – Arizona’s 3rd congressional district (L) – lost
Kevin Cookingham
- 2020 – California’s 16th congressional district (R) – lost
Victor Cooks
- 1944 – Wisconsin’s 1st congressional district (S) – lost
John Charles Cooksey
- 1996 – Louisiana’s 5th congressional district (R) – won
- 1998 – Louisiana’s 5th congressional district (R) – won
- 2000 – Louisiana’s 5th congressional district (R) – won
B. S. Cooley
- 1924 – Alabama’s 7th congressional district (R) – lost
Carl Cooley
- 2004 – Maine’s 2nd congressional district (SE) – lost
Harold Dunbar Cooley
- 1934 – North Carolina’s 4th congressional district (D) – won
- 1936 – North Carolina’s 4th congressional district (D) – won
- 1938 – North Carolina’s 4th congressional district (D) – won
- 1940 – North Carolina’s 4th congressional district (D) – won
- 1942 – North Carolina’s 4th congressional district (D) – won
- 1944 – North Carolina’s 4th congressional district (D) – won
- 1946 – North Carolina’s 4th congressional district (D) – won
- 1948 – North Carolina’s 4th congressional district (D) – won
- 1950 – North Carolina’s 4th congressional district (D) – won
- 1952 – North Carolina’s 4th congressional district (D) – won
- 1954 – North Carolina’s 4th congressional district (D) – won
- 1956 – North Carolina’s 4th congressional district (D) – won
- 1958 – North Carolina’s 4th congressional district (D) – won
- 1960 – North Carolina’s 4th congressional district (D) – won
- 1962 – North Carolina’s 4th congressional district (D) – won
- 1964 – North Carolina’s 4th congressional district (D) – won
- 1966 – North Carolina’s 4th congressional district (D) – lost
James A. Cooley II
- 1982 – Texas’ 17th congressional district (L) – lost
Jody Cooley
- 2012 – Georgia’s 9th congressional district (D) – lost
Mortimer E. Cooley
- 1924 – United States Senate (Michigan) (Special) (D) – lost
- 1924 – United States Senate (Michigan) (D) – lost
Webster Shadric Cooley
- 1994 – Oregon’s 2nd congressional district (R) – won
Albert Sprague Coolidge
- 1934 – United States Senate (Massachusetts) (S) – lost
- 1936 – United States Senate (Massachusetts) (S) – lost
Leslie Coolidge
- 2012 – Illinois’ 6th congressional district (D) – lost
Marcus Allen Coolidge
- 1930 – United States Senate (Massachusetts) (D) – won
G. Victor Cools
- 1926 – Illinois’ 1st congressional district (Prog.) – lost
Jon Coon
- 1994 – United States Senate (Michigan) (L) – lost
Renae Coon
- 2002 – Michigan’s 10th congressional district (L) – lost
Samuel Harrison Coon
- 1952 – Oregon’s 2nd congressional district (R) – won
- 1954 – Oregon’s 2nd congressional district (R) – won
- 1956 – Oregon’s 2nd congressional district (R) – lost
Warren P. Coon
- 1922 – New Jersey’s 8th congressional district (R) – lost
Donald F. Cooney
- 2008 – Michigan’s 6th congressional district (D) – lost
- 2010 – Michigan’s 6th congressional district (D) – lost
H. Leighton Cooney
- 1976 – Maine’s 2nd congressional district (D) – lost
John J. Cooney
- 1928 – Rhode Island’s 1st congressional district (D) – lost
Joseph David Cooney
- 1976 – California’s 12th congressional district (AI) – lost
Patrick L. Cooney
- 1972 – Nebraska’s 2nd congressional district (D) – lost
Christopher Andrew Coons
- 2010 – United States Senate (Delaware) (Special) (D) – won
- 2014 – United States Senate (Delaware) (D) – won
- 2020 – United States Senate (Delaware) (D) – won
H. Westlake Coons
- 1922 – New York’s 27th congressional district (Proh.) – lost
Nick Coons
- 2010 – Arizona’s 5th congressional district (L) – lost
Stephanie Coontz
- 1970 – Washington’s 1st congressional district (SW) – lost
Archibald Cooper
- 1936 – New York’s 11th congressional district (R) – lost
Barry N. Cooper
- 2008 – Texas’ 31st congressional district (L) – lost
Bob Cooper
- 1970 – Georgia’s 9th congressional district (R) – lost
Craig W. Cooper
- 1994 – California’s 10th congressional district (PF) – lost
Daniel Cooper
- 2022 – Tennessee’s 5th congressional district (I) – lost
Daniel S. Cooper
- 1972 – Michigan’s 18th congressional district (D) – lost
Edwin Cooper
- 1946 – North Dakota’s at large congressional district (D) – lost
Gary Cooper
- 2002 – United States Senate (Colorado) (W/I) – lost
- 2008 – United States Senate (Colorado) (W/I) – lost
H. M. Cooper
- 1930 – Iowa’s 5th congressional district (D) – lost
Henry Allen Cooper
- 1920 – Wisconsin’s 1st congressional district (R) – won
- 1922 – Wisconsin’s 1st congressional district (R) – won
- 1924 – Wisconsin’s 1st congressional district (R) – won
- 1926 – Wisconsin’s 1st congressional district (R) – won
- 1928 – Wisconsin’s 1st congressional district (R) – won
- 1930 – Wisconsin’s 1st congressional district (R) – won
James Hayes Shofner Cooper
- 1982 – Tennessee’s 4th congressional district (D) – won
- 1984 – Tennessee’s 4th congressional district (D) – won
- 1986 – Tennessee’s 4th congressional district (D) – won
- 1988 – Tennessee’s 4th congressional district (D) – won
- 1990 – Tennessee’s 4th congressional district (D) – won
- 1992 – Tennessee’s 4th congressional district (D) – won
- 1994 – United States Senate (Tennessee) (Special) (D) – lost
- 2002 – Tennessee’s 5th congressional district (D) – won
- 2004 – Tennessee’s 5th congressional district (D) – won
- 2006 – Tennessee’s 5th congressional district (D) – won
- 2008 – Tennessee’s 5th congressional district (D) – won
- 2010 – Tennessee’s 5th congressional district (D) – won
- 2012 – Tennessee’s 5th congressional district (D) – won
- 2014 – Tennessee’s 5th congressional district (D) – won
- 2016 – Tennessee’s 5th congressional district (D) – won
- 2018 – Tennessee’s 5th congressional district (D) – won
- 2020 – Tennessee’s 5th congressional district (D) – won
Jeffrey S. Cooper
- 2000 – Illinois’ 20th congressional district (D) – lost
Jere Cooper
- 1928 – Tennessee’s 9th congressional district (D) – won
- 1930 – Tennessee’s 9th congressional district (D) – won
- 1934 – Tennessee’s 8th congressional district (D) – won
- 1936 – Tennessee’s 8th congressional district (D) – won
- 1938 – Tennessee’s 8th congressional district (D) – won
- 1940 – Tennessee’s 8th congressional district (D) – won
- 1942 – Tennessee’s 9th congressional district (D) – won
- 1944 – Tennessee’s 9th congressional district (D) – won
- 1946 – Tennessee’s 9th congressional district (D) – won
- 1948 – Tennessee’s 9th congressional district (D) – won
- 1950 – Tennessee’s 9th congressional district (D) – won
- 1952 – Tennessee’s 8th congressional district (D) – won
- 1954 – Tennessee’s 8th congressional district (D) – won
- 1956 – Tennessee’s 8th congressional district (D) – won
Jerry W. Cooper
- 1998 – Tennessee’s 4th congressional district (D) – lost
Jimmy Cooper
- 2018 – Georgia’s 8th congressional district (G-W/I) – lost
John C. Cooper
- 1932 – New York’s 43rd congressional district (S) – lost
John G. Cooper (New York)
- 1954 – New York’s 43rd congressional district (Liberal) – lost
John Gordon Cooper
- 1920 – Ohio’s 19th congressional district (R) – won
- 1922 – Ohio’s 19th congressional district (R) – won
- 1924 – Ohio’s 19th congressional district (R) – won
- 1926 – Ohio’s 19th congressional district (R) – won
- 1928 – Ohio’s 19th congressional district (R) – won
- 1930 – Ohio’s 19th congressional district (R) – won
- 1932 – Ohio’s 19th congressional district (R) – won
- 1934 – Ohio’s 19th congressional district (R) – won
- 1936 – Ohio’s 19th congressional district (R) – lost
John Sherman Cooper
- 1946 – United States Senate (Kentucky) (Special) (R) – won
- 1948 – United States Senate (Kentucky) (R) – lost
- 1952 – United States Senate (Kentucky) (Special) (R) – won
- 1954 – United States Senate (Kentucky) (R) – lost
- 1956 – United States Senate (Kentucky) (R) – won
- 1960 – United States Senate (Kentucky) (R) – won
- 1966 – United States Senate (Kentucky) (R) – won
John T. Cooper
- 1920 – Oklahoma’s 2nd congressional district (S) – lost
