William Wright Arnold
- 1922 – Illinois’ 23rd congressional district (D) – won
- 1924 – Illinois’ 23rd congressional district (D) – won
- 1926 – Illinois’ 23rd congressional district (D) – won
- 1928 – Illinois’ 23rd congressional district (D) – won
- 1930 – Illinois’ 23rd congressional district (D) – won
- 1932 – Illinois’ 23rd congressional district (D) – won
- 1934 – Illinois’ 23rd congressional district (D) – won
Janice E. Arnold-Jones
- 2012 – New Mexico’s 1st congressional district (R) – lost
- 2018 – New Mexico’s 1st congressional district (R) – lost
Robert F. Arnove
- 1982 – Indiana’s 8th congressional district (Citizens) – lost
Charles Aronoff
- 1936 – Michigan’s 15th congressional district (SL) – lost
Phillip Aronoff
- 2018 – Texas’ 29th congressional district (R) – lost
Stanley J. Aronoff
- 1978 – Ohio’s 2nd congressional district (R) – lost
Paul Aronsohn
- 2006 – New Jersey’s 5th congressional district (D) – lost
Harry Arora
- 2018 – Connecticut’s 4th congressional district (R) – lost
William D. Arquint
- 1936 – New York’s 33rd congressional district (Prosperity) – lost
Jodey Cook Arrington
- 2016 – Texas’ 19th congressional district (R) – won
- 2018 – Texas’ 19th congressional district (R) – won
- 2020 – Texas’ 19th congressional district (R) – won
- 2022 – Texas’ 19th congressional district (R) – won
Katie Arrington
- 2018 – South Carolina’s 1st congressional district (R) – lost
Tre Arrow
- 2000 – Oregon’s 3rd congressional district (G) – lost
Marcos Arroyo
- 2022 – New Jersey’s 8th congressional district (R) – lost
Roly Arroyo
- 2010 – Florida’s 25th congressional district (Tea) – lost
William M. Arth
- 1988 – United States Senate (Utah) (SW) – lost
Harold John Arthur
- 1958 – Vermont’s at large congressional district (R) – lost
Gerard A. Arthus
- 1998 – Utah’s 1st congressional district (L) – lost
Burton Lee Artz
- 1980 – United States Senate (Illinois) (SW) – lost
Claytee O. Artz
- 1974 – Michigan’s 15th congressional district (SW) – lost
Hortense Landesman Arvan
- 1976 – Florida’s 14th congressional district (W/I) – lost
John Arvanites
- 2012 – New Jersey’s 11th congressional district (D) – lost
George W. Arvanitis
- 1964 – Massachusetts’ 5th congressional district (D) – lost
Frank Arvola
- 1934 – Michigan’s 12th congressional district (Comm.) – lost
Kojo Asamoa-Caesar
- 2020 – Oklahoma’s 1st congressional district (D) – lost
Nathan Asbel
- 1938 – Pennsylvania’s 27th congressional district (S) – lost
Tom Asbridge
- 1992 – United States Senate (North Dakota) (I) – lost
Charles Ted Asbury
- 1984 – New Mexico’s 1st congressional district (D) – lost
Claud L. Asbury
- 2010 – United States Senate (Maryland) (R-W/I) – lost
Emery Asbury
- 1934 – Washington’s 6th congressional district (R) – lost
John A. Ascher
- 1926 – Illinois’ 13th congressional district (D) – lost
- 1930 – Illinois’ 13th congressional district (D) – lost
Robert Asencio
- 2022 – Florida’s 28th congressional district (D) – lost
Arnold E. Ascherfeld
- 1944 – New Jersey’s 3rd congressional district (D) – lost
F. J. Ash
- 1922 – Ohio’s 15th congressional district (I) – lost
John Milan Ashbrook
- 1960 – Ohio’s 17th congressional district (R) – won
- 1962 – Ohio’s 17th congressional district (R) – won
- 1964 – Ohio’s 17th congressional district (R) – won
- 1966 – Ohio’s 17th congressional district (R) – won
- 1968 – Ohio’s 17th congressional district (R) – won
- 1970 – Ohio’s 17th congressional district (R) – won
- 1972 – Ohio’s 17th congressional district (R) – won
- 1974 – Ohio’s 17th congressional district (R) – won
- 1976 – Ohio’s 17th congressional district (R) – won
- 1978 – Ohio’s 17th congressional district (R) – won
- 1980 – Ohio’s 17th congressional district (R) – won
William Albert Ashbrook
- 1920 – Ohio’s 17th congressional district (D) – lost
- 1922 – Ohio’s 17th congressional district (D) – lost
- 1934 – Ohio’s 17th congressional district (D) – won
- 1936 – Ohio’s 17th congressional district (D) – won
- 1938 – Ohio’s 17th congressional district (D) – won
Roy Arthur Ashburn
- 2004 – California’s 20th congressional district (R) – lost
George R. Ashby
- 1940 – California’s 18th congressional district (Comm.) – lost
Kenneth Ashby
- 1982 – Kentucky’s 6th congressional district (L) – lost
- 1988 – Texas’ 5th congressional district (L) – lost
- 1990 – Texas’ 5th congressional district (L) – lost
- 1992 – Texas’ 30th congressional district (L) – lost
- 1994 – Texas’ 30th congressional district (L) – lost
- 1998 – Texas’ 3rd congressional district (L) – lost
- 2000 – Texas’ 5th congressional district (L) – lost
- 2002 – Texas’ 24th congressional district (L) – lost
- 2004 – Texas’ 28th congressional district (L) – lost
- 2006 – Texas’ 30th congressional district (L) – lost
- 2008 – Texas’ 5th congressional district (L) – lost
- 2010 – Texas’ 5th congressional district (L) – lost
- 2012 – Texas’ 5th congressional district (L) – lost
- 2014 – Texas’ 5th congressional district (L) – lost
- 2016 – Texas’ 5th congressional district (L) – lost
- 2018 – Texas’ 4th congressional district (L) – lost
- 2022 – Texas’ 33rd congressional district (L) – lost
John David Ashcroft
- 1994 – United States Senate (Missouri) (R) – won
- 2000 – United States Senate (Missouri) (R) – lost
Peter Lynn Ashdown
- 2006 – United States Senate (Utah) (D) – lost
David B. Ashe
- 2004 – Virginia’s 2nd congressional district (D) – lost
Harold J. Ashe
- 1936 – California’s 14th congressional district (Comm.) – lost
Victor Henderson Ashe II
- 1984 – United States Senate (Tennessee) (R) – lost
William A. Ashe
- 1986 – Michigan’s 1st congressional district (R) – lost
- 1988 – Michigan’s 1st congressional district (R) – lost
- 1996 – Michigan’s 14th congressional district (R) – lost
- 2000 – Michigan’s 14th congressional district (R) – lost
Erling Asheim
- 1964 – New York’s 7th congressional district (CON) – lost
Hugh H. Asher
- 1932 – Kentucky’s at large congressional district (R) – lost
John Bradley Ashford
- 2014 – Nebraska’s 2nd congressional district (D) – won
- 2016 – Nebraska’s 2nd congressional district (D) – lost
Scott Ashjian
- 2010 – United States Senate (Nevada) (Tea Party) – lost
Blake Ashley
- 1992 – California’s 38th congressional district (L) – lost
Thomas William Ludlow Ashley
- 1954 – Ohio’s 9th congressional district (D) – won
- 1956 – Ohio’s 9th congressional district (D) – won
- 1958 – Ohio’s 9th congressional district (D) – won
- 1960 – Ohio’s 9th congressional district (D) – won
- 1962 – Ohio’s 9th congressional district (D) – won
- 1964 – Ohio’s 9th congressional district (D) – won
- 1966 – Ohio’s 9th congressional district (D) – won
- 1968 – Ohio’s 9th congressional district (D) – won
- 1970 – Ohio’s 9th congressional district (D) – won
- 1972 – Ohio’s 9th congressional district (D) – won
- 1974 – Ohio’s 9th congressional district (D) – won
- 1976 – Ohio’s 9th congressional district (D) – won
- 1978 – Ohio’s 9th congressional district (D) – won
- 1980 – Ohio’s 9th congressional district (D) – lost
