Hugh Douglas
- 1998 – United States Senate (Vermont) (L) – lost
- 2000 – United States Senate (Vermont) (L) – lost
James Holley Douglas
- 1992 – United States Senate (Vermont) (R) – lost
Jerry R. Douglas
- 1998 – California’s 28th congressional district (L) – lost
Jett W. Douglas
- 1922 – Iowa’s 10th congressional district (D) – lost
Lewis Williams Douglas
- 1926 – Arizona’s at large congressional district (D) – won
- 1928 – Arizona’s at large congressional district (D) – won
- 1930 – Arizona’s at large congressional district (D) – won
- 1932 – Arizona’s at large congressional district (D) – won
Marion Douglas
- 1938 – New Jersey’s 6th congressional district (S) – lost
Paul Howard Douglas
- 1948 – United States Senate (Illinois) (D) – won
- 1954 – United States Senate (Illinois) (D) – won
- 1960 – United States Senate (Illinois) (D) – won
- 1966 – United States Senate (Illinois) (D) – lost
Scott Douglas III
- 1972 – Tennessee’s 5th congressional district (I) – lost
Steven S. Douglas
- 1976 – Pennsylvania’s 3rd congressional district (Labor) – lost
Thomas H. Douglas
- 1936 – Missouri’s 6th congressional district (R) – lost
William R. Douglas
- 1978 – Iowa’s 1st congressional district (S) – lost
Carol J. Douglass
- 1998 – Hawaii’s 2nd congressional district (R) – lost
John Joseph Douglass
- 1924 – Massachusetts’ 10th congressional district (D) – won
- 1926 – Massachusetts’ 10th congressional district (D) – won
- 1928 – Massachusetts’ 10th congressional district (D) – won
- 1930 – Massachusetts’ 10th congressional district (D) – won
- 1932 – Massachusetts’ 11th congressional district (D) – won
John Wade Douglass
- 2012 – Virginia’s 5th congressional district (D) – lost
Peter G. Doukas
- 1988 – New York’s 15th congressional district (D) – lost
Russell M. Douthett
- 1960 – Pennsylvania’s 29th congressional district (D) – lost
Jon Douthitt
- 2014 – Oklahoma’s 2nd congressional district (I) – lost
Isaac Hoffer Doutrich
- 1926 – Pennsylvania’s 19th congressional district (R, Labor) – won
- 1928 – Pennsylvania’s 19th congressional district (R, Labor) – won
- 1930 – Pennsylvania’s 19th congressional district (R) – won
- 1932 – Pennsylvania’s 19th congressional district (R) – won
- 1934 – Pennsylvania’s 19th congressional district (R) – won
- 1936 – Pennsylvania’s 19th congressional district (R, Royal Oak) – lost
Jeff Dove
- 2018 – Virginia’s 11th congressional district (R) – lost
Ed Dover
- 1998 – Oregon’s 5th congressional district (S) – lost
Floyd K. Dover
- 1944 – Oregon’s 4th congressional district (D) – lost
Tom Dover
- 1976 – Tennessee’s 3rd congressional district (American) – lost
Michael D. Dovilla
- 2006 – Ohio’s 10th congressional district (R) – lost
Bruce Dovner
- 1996 – California’s 36th congressional district (L) – lost
John Goodchild Dow
- 1964 – New York’s 27th congressional district (D, Liberal) – won
- 1966 – New York’s 27th congressional district (D, Liberal) – won
- 1968 – New York’s 27th congressional district (D, Liberal) – lost
- 1970 – New York’s 27th congressional district (D, Liberal) – won
- 1972 – New York’s 26th congressional district (D) – lost
- 1974 – New York’s 26th congressional district (D, Liberal) – lost
- 1982 – New York’s 23rd congressional district (Liberal) – lost
- 1990 – New York’s 22nd congressional district (D) – lost
Michael F. Dow
- 1980 – California’s 40th congressional district (D) – lost
Warren O. Dow
- 1936 – Washington’s 5th congressional district (R) – lost
Harry J. Dowd
- 1936 – Massachusetts’ 13th congressional district (D) – lost
Thomas M. Dowd
- 1954 – Ohio’s 8th congressional district (D) – lost
William F. Dowd
- 1970 – New Jersey’s 3rd congressional district (R) – lost
- 1972 – New Jersey’s 3rd congressional district (R) – lost
William S. Dowd
- 1944 – New Jersey’s 13th congressional district (Victory Without Hate) – lost
- 1946 – New Jersey’s 13th congressional district ($250 State Bonds) – lost
F. William Dowda
- 1980 – Georgia’s 5th congressional district (R) – lost
John A. Dowdall
- 1922 – Illinois’ 12th congressional district (D) – lost
B. Tarkington Dowden
- 1942 – California’s 15th congressional district (Proh., Townsend) – lost
Charles Wayne Dowdy
- 1982 – Mississippi’s 4th congressional district (D) – won
- 1984 – Mississippi’s 4th congressional district (D) – won
- 1986 – Mississippi’s 4th congressional district (D) – won
- 1988 – United States Senate (Mississippi) (D) – lost
John Vernard Dowdy
- 1952 – Texas’ 7th congressional district (D) – won
- 1954 – Texas’ 7th congressional district (D) – won
- 1956 – Texas’ 7th congressional district (D) – won
- 1958 – Texas’ 7th congressional district (D) – won
- 1960 – Texas’ 7th congressional district (D) – won
- 1962 – Texas’ 7th congressional district (D) – won
- 1964 – Texas’ 7th congressional district (D) – won
- 1966 – Texas’ 2nd congressional district (D) – won
- 1968 – Texas’ 2nd congressional district (D) – won
- 1970 – Texas’ 2nd congressional district (D) – won
John M. Dowe
- 1934 – Connecticut’s 2nd congressional district (D) – lost
Cassius Clay Dowell
- 1920 – Iowa’s 7th congressional district (R) – won
- 1922 – Iowa’s 7th congressional district (R) – won
- 1924 – Iowa’s 7th congressional district (R) – won
- 1926 – Iowa’s 7th congressional district (R) – won
- 1928 – Iowa’s 7th congressional district (R) – won
- 1930 – Iowa’s 7th congressional district (R) – won
- 1932 – Iowa’s 6th congressional district (R) – won
- 1934 – Iowa’s 6th congressional district (R) – lost
- 1936 – Iowa’s 6th congressional district (R) – won
- 1938 – Iowa’s 6th congressional district (R) – won
Leilani Dowell
- 2004 – California’s 8th congressional district (PF) – lost
Stan Dowiat
- 1980 – Florida’s 9th congressional district (R) – lost
Arthur S. Dowler
- 1920 – United States Senate (Iowa) (SL) – lost
Brian Dowling
- 1994 – Alabama’s 2nd congressional district (D) – lost
LaMoine Montgomery Dowling
- 1940 – Minnesota’s 5th congressional district (D) – lost
William F Dowling, Jr.
- 1974 – United States Senate (New York) (Courage) – lost
James E. Downes
- 1940 – New Jersey’s 6th congressional district (D) – lost
Edward Downey
- 1996 – North Carolina’s 3rd congressional district (NL) – lost
James B. Downey
- 1946 – New York’s 44th congressional district (D, American Labor) – lost
Kavanaugh C. Downey
- 1932 – Wisconsin’s 5th congressional district (I) – lost
R. J. Downey
- 1940 – North Dakota’s at large congressional district (D) – lost
Sheridan Downey
- 1938 – United States Senate (California) (D, Prog., Townsend) – won
- 1944 – United States Senate (California) (D) – won
