Daniel Edward Lungren
- 1976 – California’s 34th congressional district (R) – lost
- 1978 – California’s 34th congressional district (R) – won
- 1980 – California’s 34th congressional district (R) – won
- 1982 – California’s 42nd congressional district (R) – won
- 1984 – California’s 42nd congressional district (R) – won
- 1986 – California’s 42nd congressional district (R) – won
- 2004 – California’s 3rd congressional district (R) – won
- 2006 – California’s 3rd congressional district (R) – won
- 2008 – California’s 3rd congressional district (R) – won
- 2010 – California’s 3rd congressional district (R) – won
- 2012 – California’s 7th congressional district (R) – lost
Joseph N. Lunn
- 1934 – United States Senate (Wyoming) (S) – lost
C. P. Lunsford
- 1920 – United States Senate (Alabama) (Special) (R) – lost
Charles P. Lunsford
- 1930 – Alabama’s 10th congressional district (R) – lost
William Bruce Lunsford
- 2008 – United States Senate (Kentucky) (D) – lost
Everett E. Luoma
- 1964 – United States Senate (Minnesota) (SW) – lost
John Lupton
- 1962 – Connecticut’s at large congressional district (R) – lost
William R. Lupton
- 1946 – New York’s 42nd congressional district (D, American Labor) – lost
Elaine Goodman Luria
- 2018 – Virginia’s 2nd congressional district (D) – won
- 2020 – Virginia’s 2nd congressional district (D) – won
- 2022 – Virginia’s 2nd congressional district (D) – lost
Rob Lurvey
- 1988 – Missouri’s 7th congressional district (L) – lost
Florence H. Luscomb
- 1936 – Massachusetts’ 9th congressional district (Peoples’ Labor) – lost
- 1950 – Massachusetts’ 12th congressional district (Prog.) – lost
Marshall A. Luse, Jr.
- 1982 – Oklahoma’s 4th congressional district (I) – lost
Georgia Lee Lusk
- 1946 – New Mexico’s at large congressional district (D) – won
Lucille Lusk
- 1988 – Nevada’s 1st congressional district (R) – lost
Richard E. Lusnik
- 1972 – New York’s 34th congressional district (CON) – lost
Bill Lussenheide
- 2010 – California’s 45th congressional district (AI) – lost
Wayne Lustig
- 1964 – Virginia’s 2nd congressional district (R) – lost
Ernest M. Luther
- 1954 – Nebraska’s 3rd congressional district (D) – lost
William Paul Luther
- 1994 – Minnesota’s 6th congressional district (DFL) – won
- 1996 – Minnesota’s 6th congressional district (DFL) – won
- 1998 – Minnesota’s 6th congressional district (DFL) – won
- 2000 – Minnesota’s 6th congressional district (DFL) – won
- 2002 – Minnesota’s 2nd congressional district (DFL) – lost
Max Lutsky
- 1932 – Pennsylvania’s 32nd congressional district (S) – lost
August Lutteken
- 1930 – United States Senate (Colorado) (Commonwealth) – lost
Oscar Luttio
- 1932 – United States Senate (South Dakota) (I) – lost
William J. Luttmer
- 1982 – Ohio’s 2nd congressional district (D) – lost
John M. Lutton
- 1980 – California’s 10th congressional district (R) – lost
Robert Allen Lutton
- 1984 – Indiana’s 3rd congressional district (L) – lost
Morgan Joe Luttrell
- 2022 – Texas’ 8th congressional district (R) – won
Daniel Lutz
- 2018 – West Virginia’s 2nd congressional district (Mountain) – lost
Earle Lutz
- 1946 – Virginia’s 3rd congressional district (R) – lost
Lisa L. Lutz
- 2000 – New Mexico’s 3rd congressional district (R) – lost
Ralph C. Lutz
- 1940 – Ohio’s 17th congressional district (D) – lost
Ray Lutz
- 2010 – California’s 52nd congressional district (D) – lost
Dan Lux
- 2022 – Louisiana’s 2nd congressional district (R) – lost
Richard G. Luxford
- 1950 – Colorado’s 1st congressional district (R) – lost
Marc Luzietti
- 2008 – Florida’s 20th congressional district (S-W/I) – lost
Misha Luzov
- 2012 – Colorado’s 5th congressional district (G) – lost
Mac Dara Francis X. Lyden
- 2002 – New Jersey’s 6th congressional district (Human Rights Advocate) – lost
- 2004 – New Jersey’s 6th congressional district (Help Middlesex, Monmouth, Somerset, Union Residents) – lost
- 2012 – New Jersey’s 6th congressional district (I) – lost
Joseph P. Lyford
- 1952 – Connecticut’s 4th congressional district (D) – lost
- 1954 – Connecticut’s at large congressional district (D) – lost
Dan Lykins
- 2002 – Kansas’ 2nd congressional district (D) – lost
John Emmett Lyle, Jr.
- 1944 – Texas’ 14th congressional district (D) – won
- 1946 – Texas’ 14th congressional district (D) – won
- 1948 – Texas’ 14th congressional district (D) – won
- 1950 – Texas’ 14th congressional district (D) – won
- 1952 – Texas’ 14th congressional district (D) – won
William Edward Lyle
- 1936 – Ohio’s 17th congressional district (I) – lost
Asael Lyman
- 1948 – Idaho’s 2nd congressional district (D) – lost
Howard F. Lyman
- 1982 – Montana’s 2nd congressional district (D) – lost
Charles W. Lynch
- 1942 – Ohio’s 15th congressional district (D) – lost
Clyde Darnell Lynch
- 2016 – Michigan’s 13th congressional district (W/I) – lost
Cormick Brendan Lynch
- 2014 – Rhode Island’s 1st congressional district (R) – lost
Daniel C. Lynch
- 1974 – Nebraska’s 2nd congressional district (D) – lost
David J. Lynch
- 1920 – Michigan’s 10th congressional district (D) – lost
David Lynch
- 2008 – California’s 5th congressional district (I-W/I) – lost
Donald J. Lynch
- 1986 – Indiana’s 2nd congressional district (R) – lost
Edward J. Lynch
- 2008 – Florida’s 19th congressional district (R) – lost
