Basil E. Dalack
- 2016 – United States Senate (Florida) (NPA) – lost
Gail J. Dalby
- 1998 – Connecticut’s 3rd congressional district (NL) – lost
- 2000 – Connecticut’s 3rd congressional district (NL) – lost
Alfred S. Dale
- 1934 – United States Senate (North Dakota) (FL) – lost
- 1938 – North Dakota’s at large congressional district (D) – lost
- 1948 – North Dakota’s at large congressional district (D) – lost
Byron Dale
- 1998 – United States Senate (South Dakota) (L) – lost
John Dale
- 2014 – Indiana’s 4th congressional district (D) – lost
- 2016 – Indiana’s 4th congressional district (D) – lost
Lawrence Dale
- 2014 – Wisconsin’s 7th congressional district (G) – lost
Porter Hinman Dale
- 1920 – Vermont’s 2nd congressional district (R) – won
- 1922 – Vermont’s 2nd congressional district (R) – won
- 1926 – United States Senate (Vermont) (R) – won
- 1932 – United States Senate (Vermont) (R) – won
Stanley I. Dale
- 1956 – Missouri’s 6th congressional district (R) – lost
William P. Dale
- 1928 – Colorado’s 4th congressional district (R) – lost
John Dalen
- 2010 – South Carolina’s 3rd congressional district (C) – lost
John Dalessio
- 1974 – California’s 27th congressional district (D) – lost
George Daley
- 1964 – Minnesota’s 1st congressional district (DFL) – lost
- 1966 – Minnesota’s 1st congressional district (DFL) – lost
- 1968 – Minnesota’s 1st congressional district (DFL) – lost
James Daley
- 1928 – Pennsylvania’s 36th congressional district (Labor) – lost
Joseph A. Daley
- 1962 – New York’s 4th congressional district (D, Liberal) – lost
Joseph H. Daley
- 1936 – Pennsylvania’s 21st congressional district (Royal Oak) – lost
M. J. Daley
- 1922 – New York’s 32nd congressional district (D) – lost
Tom Daley
- 2008 – Texas’ 3rd congressional district (D) – lost
Robert Dallas
- 2000 – Illinois’ 7th congressional district (R) – lost
Joe Dallet
- 1934 – Ohio’s 19th congressional district (Comm.) – lost
- 1936 – Ohio’s 19th congressional district (Comm.) – lost
Frederick William Dallinger
- 1920 – Massachusetts’ 8th congressional district (R) – won
- 1922 – Massachusetts’ 8th congressional district (R) – won
- 1926 – Massachusetts’ 8th congressional district (Special) (R) – won
- 1926 – Massachusetts’ 8th congressional district (R) – won
- 1928 – Massachusetts’ 8th congressional district (R) – won
- 1930 – Massachusetts’ 8th congressional district (R) – won
Allen J. Dalrymple
- 1964 – Ohio’s 18th congressional district (R) – lost
Ann Dalrymple
- 2016 – Maryland’s 3rd congressional district (D-W/I) – lost
John Stewart Dalrymple III
- 1992 – United States Senate (North Dakota) (Special) (R) – lost
Susann L. Dalto
- 1976 – Michigan’s 16th congressional district (Labor) – lost
Danny Francis Dalton
- 2012 – United States Senate (Maine) (None) – lost
Frank A. Dalton
- 1936 – New York’s 5th congressional district (R) – lost
Daniel W. Daly
- 1992 – Massachusetts’ 10th congressional district (R) – lost
David Daly
- 2004 – New Jersey’s 9th congressional district (L) – lost
Frank Daly
- 1992 – Pennsylvania’s 7th congressional district (D) – lost
J. Burrwood Daly
- 1934 – Pennsylvania’s 4th congressional district (D) – won
- 1936 – Pennsylvania’s 4th congressional district (D, Victory) – won
- 1938 – Pennsylvania’s 4th congressional district (D) – won
John F. Daly
- 1922 – Massachusetts’ 8th congressional district (D) – lost
John Peter Daly
- 1996 – California’s 29th congressional district (PF) – lost
Joseph A. Daly
- 1936 – New Jersey’s 4th congressional district (D) – lost
Marcus Daly
- 1964 – New Jersey’s 3rd congressional district (R) – lost
Richard T. Daly
- 1934 – Minnesota’s 7th congressional district (D) – lost
Richard W. Daly
- 1976 – Massachusetts’ 7th congressional district (R) – lost
T. F. Gilroy Daly
- 1970 – Connecticut’s 4th congressional district (D) – lost
Teresa Daly
- 2004 – Minnesota’s 2nd congressional district (DFL) – lost
Joseph V. Damiano
- 1974 – New York’s 39th congressional district (CON) – lost
Verne L. Damon
- 1950 – United States Senate (Kansas) (Proh.) – lost
Joseph D. Damrell
- 1986 – Wisconsin’s 7th congressional district (Labor and Farm) – lost
Edward C. Damrow
- 1920 – Wisconsin’s 6th congressional district (S) – lost
David L. Damuels
- 1950 – New York’s 10th congressional district (R) – lost
Dan
- 2006 – Florida’s 14th congressional district (W/I) – lost
James Dan
- 1996 – Nevada’s 1st congressional district (L) – lost
John Anthony Danaher
- 1938 – United States Senate (Connecticut) (R) – won
- 1944 – United States Senate (Connecticut) (R) – lost
Michael B. Danaher
- 1920 – Michigan’s 9th congressional district (D) – lost
Tom Danaher
- 1992 – Missouri’s 5th congressional district (NL) – lost
- 1996 – Missouri’s 5th congressional district (NL) – lost
Emil F. Danciu
- 1970 – Florida’s 9th congressional district (R) – lost
Charles S. Danenhower
- 1936 – New Jersey’s 1st congressional district (Comm.) – lost
