David Worth Dennis II
- 1968 – Indiana’s 10th congressional district (R) – won
- 1970 – Indiana’s 10th congressional district (R) – won
- 1972 – Indiana’s 10th congressional district (R) – won
- 1974 – Indiana’s 10th congressional district (R) – lost
John Dennis
- 2010 – California’s 8th congressional district (R) – lost
- 2012 – California’s 12th congressional district (R) – lost
- 2014 – California’s 12th congressional district (R) – lost
- 2022 – California’s 11th congressional district (R) – lost
Thomas D. Dennis, Jr.
- 1972 – United States Senate (Michigan) (Comm.) – lost
Troy Dennis
- 2008 – Illinois’ 19th congressional district (G) – lost
David Short Dennison, Jr.
- 1956 – Ohio’s 11th congressional district (R) – won
- 1958 – Ohio’s 11th congressional district (R) – lost
- 1960 – Ohio’s 11th congressional district (R) – lost
Fern Coste Dennison
- 1972 – New York’s 2nd congressional district (D) – lost
Joan Louise Dennison
- 1990 – Michigan’s 10th congressional district (D) – lost
- 1992 – Michigan’s 4th congressional district (Tisch Independent Citizens) – lost
Margaret Dennison
- 1970 – Ohio’s 19th congressional district (R) – lost
E. E. Denniston
- 1926 – New Mexico’s at large congressional district (S) – lost
Earl R. Denny
- 1970 – Wisconsin’s 5th congressional district (AI) – lost
George L. Denny
- 1948 – Indiana’s 11th congressional district (R) – lost
Harmar Denny Denny, Jr.
- 1950 – Pennsylvania’s 29th congressional district (R) – won
- 1952 – Pennsylvania’s 28th congressional district (R) – lost
Marc F. Denny
- 1992 – California’s 36th congressional district (L) – lost
- 1984 – California’s 32nd congressional district (L) – lost
- 1988 – California’s 32nd congressional district (L) – lost
Fenno E. Densmore
- 1942 – Michigan’s 5th congressional district (Proh.) – lost
W. A. Denson
- 1940 – Alabama’s 9th congressional district (I) – lost
Charles Wieder Dent
- 2004 – Pennsylvania’s 15th congressional district (R) – won
- 2006 – Pennsylvania’s 15th congressional district (R) – won
- 2008 – Pennsylvania’s 15th congressional district (R) – won
- 2010 – Pennsylvania’s 15th congressional district (R) – won
- 2012 – Pennsylvania’s 15th congressional district (R) – won
- 2014 – Pennsylvania’s 15th congressional district (R) – won
- 2016 – Pennsylvania’s 15th congressional district (R) – won
Jerry Dent
- 1978 – Missouri’s 9th congressional district (R) – lost
John Herman Dent
- 1958 – Pennsylvania’s 21st congressional district (D) – won
- 1960 – Pennsylvania’s 21st congressional district (D) – won
- 1962 – Pennsylvania’s 21st congressional district (D) – won
- 1964 – Pennsylvania’s 21st congressional district (D) – won
- 1966 – Pennsylvania’s 21st congressional district (D) – won
- 1968 – Pennsylvania’s 21st congressional district (D) – won
- 1970 – Pennsylvania’s 21st congressional district (D) – won
- 1972 – Pennsylvania’s 21st congressional district (D) – won
- 1974 – Pennsylvania’s 21st congressional district (D) – won
- 1976 – Pennsylvania’s 21st congressional district (D) – won
Thomas A. Dent
- 1954 – New York’s 4th congressional district (D) – lost
Yolanda Dentley
- 2014 – New Jersey’s 10th congressional district (R) – lost
Courtney Denton
- 2014 – Missouri’s 3rd congressional district (D) – lost
E. Brady Denton
- 1976 – Michigan’s 8th congressional district (R) – lost
Jeremiah Andrew Denton, Jr.
- 1980 – United States Senate (Alabama) (R) – won
- 1986 – United States Senate (Alabama) (R) – lost
Phil Denton
- 1992 – Florida’s 6th congressional district (D) – lost
Tim Denton
- 2008 – California’s 27th congressional district (L) – lost
Winfield Kirkpatrick Denton
- 1946 – Indiana’s 8th congressional district (D) – lost
- 1948 – Indiana’s 8th congressional district (D) – won
- 1950 – Indiana’s 8th congressional district (D) – won
- 1952 – Indiana’s 8th congressional district (D) – lost
- 1954 – Indiana’s 8th congressional district (D) – won
- 1956 – Indiana’s 8th congressional district (D) – won
- 1958 – Indiana’s 8th congressional district (D) – won
- 1960 – Indiana’s 8th congressional district (D) – won
- 1962 – Indiana’s 8th congressional district (D) – won
- 1964 – Indiana’s 8th congressional district (D) – won
- 1966 – Indiana’s 8th congressional district (D) – lost
Mike DeNunzio
- 2006 – California’s 8th congressional district (R) – lost
David E. Denzel
- 1998 – New York’s 29th congressional district (RTL) – lost
Jennifer DePalma
- 2004 – California’s 8th congressional district (R) – lost
Eugenio Anthony DePasquale
- 2020 – Pennsylvania’s 10th congressional district (D) – lost
Robert DePasquale
- 2013 – United States Senate (New Jersey) (Special) (I) – lost
Thomas DePasquale
- 2016 – New Jersey’s 11th congressional district (Financial Independence) – lost
Alejandro (Alex) DePena
- 1998 – Texas’ 20th congressional district (L) – lost
Allen Depew
- 1926 – New York’s 28th congressional district (S) – lost
- 1928 – New York’s 28th congressional district (S) – lost
- 1932 – New York’s 28th congressional district (S) – lost
Milton E. Depew
- 1928 – Michigan’s 6th congressional district (S) – lost
- 1930 – United States Senate (Michigan) (S) – lost
Chris DePizzo
- 2018 – Ohio’s 13th congressional district (R) – lost
Jeff DePoy
- 2020 – Michgan’s 6th congressional district (L) – lost
Janeen DePrima
- 2002 – New York’s 3rd congressional district (Liberal) – lost
John A. DePrima
- 1994 – New York’s 3rd congressional district (Liberal) – lost
Alfred R. Deptula
- 1978 – Ohio’s 3rd congressional district (I) – lost
Stephen P. Depue
- 1970 – Pennsylvania’s 10th congressional district (C) – lost
Jill Talbot Derby
- 2006 – Nevada’s 2nd congressional district (D) – lost
- 2008 – Nevada’s 2nd congressional district (D) – lost
Marlyn A. Derby
- 1988 – Washington’s 5th congressional district (R) – lost
- 1990 – Washington’s 5th congressional district (R) – lost
Philip A. Dergance
- 1948 – Kansas’ 2nd congressional district (D) – lost
Donald A. Derham
- 1970 – New York’s 4th congressional district (CON) – lost
Tim Derham
- 2002 – New York’s 4th congressional district (G) – lost
Alan H. Deright
- 1982 – Missouri’s 5th congressional district (I) – lost
Ryan Derks
- 2020 – 5th congressional district (R) – lost
Robert W. Derlet
- 2016 – California’s 4th congressional district (D) – lost
Joseph Dermody
- 1938 – New York’s 5th congressional district (American Labor) – lost
