Christopher Sean Delaney
- 2000 – North Carolina’s 1st congressional district (L) – lost
Dan Delaney
- 2016 – New Jersey’s 8th congressional district (L) – lost
- 2018 – New Jersey’s 8th congressional district (L) – lost
- 2020 – New Jersey’s 8th congressional district (L) – lost
- 2022 – New Jersey’s 8th congressional district (L) – lost
Edward K. Delaney
- 1942 – Minnesota’s 4th congressional district (D) – lost
James Joseph Delaney
- 1944 – New York’s 6th congressional district (D, American Labor) – won
- 1946 – New York’s 6th congressional district (D, American Labor, Liberal) – lost
- 1948 – New York’s 6th congressional district (D, Liberal) – won
- 1950 – New York’s 6th congressional district (D, Liberal) – won
- 1952 – New York’s 7th congressional district (D, Liberal) – won
- 1954 – New York’s 7th congressional district (D, Liberal) – won
- 1956 – New York’s 7th congressional district (D, Liberal) – won
- 1958 – New York’s 7th congressional district (D, Liberal) – won
- 1960 – New York’s 7th congressional district (D) – won
- 1962 – New York’s 9th congressional district (D) – won
- 1964 – New York’s 9th congressional district (D) – won
- 1966 – New York’s 9th congressional district (D) – won
- 1968 – New York’s 9th congressional district (D) – won
- 1970 – New York’s 9th congressional district (D, R, CON) – won
- 1972 – New York’s 9th congressional district (D, R, CON) – won
- 1974 – New York’s 9th congressional district (D, R, CON) – won
- 1976 – New York’s 9th congressional district (D, R, CON) – won
John Joseph Delaney
- 1932 – New York’s 7th congressional district (D) – won
- 1934 – New York’s 7th congressional district (D) – won
- 1936 – New York’s 7th congressional district (D) – won
- 1938 – New York’s 7th congressional district (D) – won
- 1940 – New York’s 7th congressional district (D, American Labor) – won
- 1942 – New York’s 7th congressional district (D, American Labor) – won
- 1944 – New York’s 7th congressional district (D, American Labor, Liberal) – won
- 1946 – New York’s 7th congressional district (D, American Labor, Liberal) – won
- 1948 – New York’s 7th congressional district (D, American Labor) – won
John Kevin Delaney
- 2012 – Maryland’s 6th congressional district (D) – won
- 2014 – Maryland’s 6th congressional district (D) – won
- 2016 – Maryland’s 6th congressional district (D) – won
Michael Delaney
- 2022 – United States Senate (Oklahoma) (I) – lost
Paul G. DeLaney
- 2002 – United States Senate (North Carolina) (W/I) – lost
Richard Delaney
- 1968 – Alabama’s 5th congressional district (I) – lost
Sarah Delaney
- 1972 – Tennessee’s 3rd congressional district (American) – lost
- 1974 – Tennessee’s 3rd congressional district (I) – lost
Tom Delaney
- 1956 – Washington’s 5th congressional district (D) – lost
- 1958 – Washington’s 5th congressional district (D) – lost
William F. Delaney
- 1968 – New York’s 31st congressional district (Liberal) – lost
Marie G. Delany
- 2002 – Pennsylvania’s 1st congressional district (R) – lost
Dorothy DeLaura
- 1996 – New Jersey’s 7th congressional district (I) – lost
Rosa Luisa DeLauro
- 1990 – Connecticut’s 3rd congressional district (D) – won
- 1992 – Connecticut’s 3rd congressional district (D, A CT Party) – won
- 1994 – Connecticut’s 3rd congressional district (D) – won
- 1996 – Connecticut’s 3rd congressional district (D, A CT Party) – won
- 1998 – Connecticut’s 3rd congressional district (D) – won
- 2000 – Connecticut’s 3rd congressional district (D) – won
- 2002 – Connecticut’s 3rd congressional district (D) – won
- 2004 – Connecticut’s 3rd congressional district (D) – won
- 2006 – Connecticut’s 3rd congressional district (D) – won
- 2008 – Connecticut’s 3rd congressional district (D) – won
- 2010 – Connecticut’s 3rd congressional district (D, WF) – won
- 2012 – Connecticut’s 3rd congressional district (D) – won
- 2014 – Connecticut’s 3rd congressional district (D, WF) – won
- 2016 – Connecticut’s 3rd congressional district (D, WF) – won
- 2018 – Connecticut’s 3rd congressional district (D, WF) – won
- 2020 – Connecticut’s 3rd congressional district (D) – won
- 2022 – Connecticut’s 3rd congressional district (D) – won
Michael Delavar
- 2008 – Washington’s 3rd congressional district (R) – lost
Thomas Dale DeLay
- 1984 – Texas’ 22nd congressional district (R) – won
- 1986 – Texas’ 22nd congressional district (R) – won
- 1988 – Texas’ 22nd congressional district (R) – won
- 1990 – Texas’ 22nd congressional district (R) – won
- 1992 – Texas’ 22nd congressional district (R) – won
- 1994 – Texas’ 22nd congressional district (R) – won
- 1996 – Texas’ 22nd congressional district (R) – won
- 1998 – Texas’ 22nd congressional district (R) – won
- 2000 – Texas’ 22nd congressional district (R) – won
- 2002 – Texas’ 22nd congressional district (R) – won
- 2004 – Texas’ 22nd congressional district (R) – won
Suzan Kay DelBene
- 2010 – Washington’s 8th congressional district (D) – lost
- 2012 – Washington’s 1st congressional district (Special) (D) – won
- 2012 – Washington’s 1st congressional district (D) – won
- 2014 – Washington’s 1st congressional district (D) – won
- 2016 – Washington’s 1st congressional district (D) – won
- 2018 – Washington’s 1st congressional district (D) – won
- 2020 – Washington’s 1st congressional district (D) – won
- 2022 – Washington’s 1st congressional district (D) – won
Adrian DeLeon
- 2006 – Texas’ 23rd congressional district (First Round) (D) – lost
Chester M. Delf
- 1946 – Massachusetts’ 1st congressional district (Proh.) – lost
Antonio Ramon Delgado
- 2018 – New York’s 19th congressional district (D, WF, WE) – won
- 2020 – New York’s 19th congressional district (D, WF, Serve America) – won
C. Antonio Delgado
- 2020 – California’s 40th congressional district (R) – lost
Teresa Delgado
- 1974 – New York’s 12th congressional district (SL) – lost
Michael J. Delguidice
- 1968 – New York’s 4th congressional district (D) – lost
Tim Delia
- 1992 – California’s 33rd congressional district (PF) – lost
Alfred A. DeliBovi
- 1978 – New York’s 9th congressional district (R, CON) – lost
Patrick Delices
- 2020 – New York’s 15th congressional district (R, CON) – lost
Vern Deljonson
- 2000 – Illinois’ 14th congressional district (D) – lost
David E. Delk
- 2016 – Oregon’s 3rd congressional district (Prog.) – lost
- 2022 – Oregon’s 3rd congressional district (G) – lost
Dwight Dell
- 1952 – United States Senate (Nebraska) (By Petition) – lost
Max Della Pia
- 2022 – New York’s 23rd congressional district (Special) (D, WF) – lost
- 2022 – New York’s 23rd congressional district (D) – lost
Frank L. Della Valle
- 2000 – New York’s 15th congressional district (CON) – lost
- 2002 – New York’s 16th congressional district (R, CON) – lost
- 2010 – New York’s 16th congressional district (R, CON) – lost
- 2012 – New York’s 15th congressional district (R, CON) – lost
Victor Dellarose
- 1934 – Pennsylvania’s 24th congressional district (Comm.) – lost
Vincent John Dellay
- 1954 – New Jersey’s 14th congressional district (R) – lost
- 1956 – New Jersey’s 14th congressional district (R) – won
- 1970 – New Jersey’s 14th congressional district (For the People) – lost
John Richard Dellenback
- 1966 – Oregon’s 4th congressional district (R) – won
- 1968 – Oregon’s 4th congressional district (R) – won
- 1970 – Oregon’s 4th congressional district (R) – won
- 1972 – Oregon’s 4th congressional district (R) – won
- 1974 – Oregon’s 4th congressional district (R) – lost
Mattie C. Dellone
- 1930 – New York’s 43rd congressional district (D) – lost
Ronald Vernie Dellums
- 1970 – California’s 7th congressional district (D) – won
- 1972 – California’s 7th congressional district (D) – won
- 1974 – California’s 8th congressional district (D) – won
- 1976 – California’s 8th congressional district (D) – won
- 1978 – California’s 8th congressional district (D) – won
- 1980 – California’s 8th congressional district (D) – won
- 1982 – California’s 8th congressional district (D) – won
- 1984 – California’s 8th congressional district (D) – won
- 1986 – California’s 8th congressional district (D) – won
- 1988 – California’s 8th congressional district (D) – won
- 1990 – California’s 8th congressional district (D) – won
- 1992 – California’s 9th congressional district (D) – won
- 1994 – California’s 9th congressional district (D) – won
- 1996 – California’s 9th congressional district (D) – won
Robert Dellwo
- 1950 – Washington’s 5th congressional district (D) – lost
- 1952 – Washington’s 5th congressional district (D) – lost
William J. Delo, Jr.
- 1950 – New York’s 34th congressional district (Liberal) – lost
- 1952 – New York’s 33rd congressional district (Liberal) – lost
- 1954 – New York’s 33rd congressional district (Liberal) – lost
Gary Irving DeLong
- 2012 – California’s 47th congressional district (R) – lost
Aaron DeLozier
- 2014 – United States Senate (Oklahoma) (I) – lost
Marc Delphine
- 2010 – United States Senate (Oregon) (L) – lost
Stephen Deluca
- 2012 – New Jersey’s 8th congressional district (Restoring America’s Promise) – lost
Christopher Raphael Deluzio
- 2022 – Pennsylvania’s 17th congressional district (D) – won
David M. DelVecchio
- 1996 – New Jersey’s 12th congressional district (D) – lost
William A. Delzell
- 1930 – Oregon’s 1st congressional district (D) – lost
Carl David DeMaio
- 2014 – California’s 52nd congressional district (R) – lost
Derek DeMarco
- 2008 – New Jersey’s 8th congressional district (L) – lost
Joseph A. DeMarco
- 1960 – New York’s 13th congressional district (R) – lost
Richard M. DeMarco
- 1966 – New Jersey’s 8th congressional district (R) – lost
- 1968 – New Jersey’s 8th congressional district (R) – lost
