Juan J. Lugo
- 1968 – New York’s 22nd congressional district (CON) – lost
Oscar Raymond Luhring
- 1920 – Indiana’s 1st congressional district (R) – won
- 1922 – Indiana’s 1st congressional district (R) – lost
Michael Luick-Thrams
- 2016 – United States Senate (Iowa) (By Petition) – lost
Ben Ray Luján
- 2008 – New Mexico’s 3rd congressional district (D) – won
- 2010 – New Mexico’s 3rd congressional district (D) – won
- 2012 – New Mexico’s 3rd congressional district (D) – won
- 2014 – New Mexico’s 3rd congressional district (D) – won
- 2016 – New Mexico’s 3rd congressional district (D) – won
- 2018 – New Mexico’s 3rd congressional district (D) – won
- 2020 – United States Senate (New Mexico) (D) – won
Manuel Lujan
- 1944 – New Mexico’s at large congressional district (R) – lost
Manuel Lujan, Jr.
- 1968 – New Mexico’s 1st congressional district (R) – won
- 1970 – New Mexico’s 1st congressional district (R) – won
- 1972 – New Mexico’s 1st congressional district (R) – won
- 1974 – New Mexico’s 1st congressional district (R) – won
- 1976 – New Mexico’s 1st congressional district (R) – won
- 1978 – New Mexico’s 1st congressional district (R) – won
- 1980 – New Mexico’s 1st congressional district (R) – won
- 1982 – New Mexico’s 1st congressional district (R) – won
- 1984 – New Mexico’s 1st congressional district (R) – won
- 1986 – New Mexico’s 1st congressional district (R) – won
Erich G. Lukas
- 2004 – Pennsylvania’s 8th congressional district (C) – lost
Brian Luke
- 2018 – Washington’s 2nd congressional district (R) – lost
George W. Luke
- 1968 – New Jersey’s 15th congressional district (R) – lost
Charles John Luken
- 1990 – Ohio’s 1st congressional district (D) – won
Thomas Andrew Luken
- 1974 – Ohio’s 1st congressional district (D) – lost
- 1976 – Ohio’s 2nd congressional district (D) – won
- 1978 – Ohio’s 2nd congressional district (D) – won
- 1980 – Ohio’s 2nd congressional district (D) – won
- 1982 – Ohio’s 1st congressional district (D) – won
- 1984 – Ohio’s 1st congressional district (D) – won
- 1986 – Ohio’s 1st congressional district (D) – won
- 1988 – Ohio’s 1st congressional district (D) – won
Charles E. Lukens
- 1924 – Ohio’s 8th congressional district (I) – lost
Charles Lukens
- 2012 – New Jersey’s 2nd congressional district (Constitutional Conservative) – lost
Donald Edgar Lukens
- 1966 – Ohio’s 24th congressional district (R) – won
- 1968 – Ohio’s 24th congressional district (R) – won
- 1986 – Ohio’s 8th congressional district (R) – won
- 1988 – Ohio’s 8th congressional district (R) – won
Leonard J. Lukomski
- 1974 – Michigan’s 14th congressional district (AI) – lost
Lee Lukson
- 1968 – Washington’s 4th congressional district (D) – lost
Luke Lumina
- 1992 – Massachusetts’ 4th congressional district (Independent Voters) – lost
Rod Lumley
- 1964 – Alabama’s 4th congressional district (I) – lost
Cynthia Lummis Wiederspahn
- 2008 – Wyoming’s at large congressional district (R) – won
- 2010 – Wyoming’s at large congressional district (R) – won
- 2012 – Wyoming’s at large congressional district (R) – won
- 2014 – Wyoming’s at large congressional district (R) – won
- 2020 – United States Senate (Wyoming) (R) – won
Hobart R. Lumpkin
- 1994 – United States Senate (Tennessee) (Short Term) (I) – lost
Michael D. Lumpkin
- 2008 – California’s 52nd congressional district (D) – lost
Edward Lun
- 1942 – New Jersey’s 8th congressional district (SL) – lost
Henry Lun
- 1940 – New Jersey’s 8th congressional district (SL) – lost
Henry T. Lun
- 1946 – New Jersey’s 8th congressional district (SL) – lost
Anna Paulina Luna
- 2020 – Florida’s 13th congressional district (R) – lost
- 2022 – Florida’s 13th congressional district (R) – won
Eliseo Luna
- 2022 – New Mexico’s 2nd congressional district (D-W/I) – lost
Kenneth R. Lunce, Jr.
- 2012 – Indiana’s 2nd congressional district (I/Write-in) – lost
Arnold L. Lund
- 1956 – Florida’s 5th congressional district (R) – lost
Arnold L. Lund
- 1934 – Illinois’ 6th congressional district (R) – lost
Charles A. Lund
- 1930 – United States Senate (Minnesota) (I) – lost
Frank J. Lund
- 1940 – Iowa’s 8th congressional district (D) – lost
Wendell L. Lund
- 1940 – Michigan’s 11th congressional district (D) – lost
Carl William Lundberg
- 1946 – New York’s 45th congressional district (Veterans’ Victory) – lost
Edwin Lundberg
- 1982 – New York’s 29th congressional district (CON) – lost
Kevin Lundberg
- 2012 – Colorado’s 2nd congressional district (R) – lost
Henry R. Lundblad
- 1930 – Illinois’ 6th congressional district (R) – lost
Paul Lunde
- 1988 – Iowa’s 4th congressional district (R) – lost
- 1992 – Iowa’s 4th congressional district (R) – lost
B. A. Lundeen
- 1970 – Minnesota’s 1st congressional district (DFL) – lost
Ernest Lundeen
- 1920 – Minnesota’s 5th congressional district (I) – lost
- 1926 – Minnesota’s 10th congressional district (FL) – lost
- 1930 – United States Senate (Minnesota) (FL) – lost
- 1932 – Minnesota’s at large congressional district (FL) – won
- 1934 – Minnesota’s 3rd congressional district (FL) – won
- 1936 – United States Senate (Minnesota) (FL) – won
Thomas F. Lundeen
- 1972 – Kentucky’s 6th congressional district (Peoples) – lost
Luke Lundemo
- 1996 – Mississippi’s 1st congressional district (NL) – lost
Stanley Nelson Lundine
- 1976 – New York’s 39th congressional district (D) – won
- 1978 – New York’s 39th congressional district (D) – won
- 1980 – New York’s 39th congressional district (D) – won
- 1982 – New York’s 34th congressional district (D) – won
- 1984 – New York’s 34th congressional district (D) – won
Todd Lundquist
- 1984 – Minnesota’s 2nd congressional district (DFL) – lost
Milton A. Lundstrom
- 1958 – Illinois’ 16th congressional district (D) – lost
Lundt
- 1928 – United States Senate (Idaho) (Special) (S) – lost
Brian K. Lundy
- 1998 – Missouri’s 2nd congressional district (L) – lost
Daniel F. Lundy
- 1970 – New Jersey’s 12th congressional district (D) – lost
Hunter Lundy
- 1996 – Louisiana’s 7th congressional district (R) – lost
Rayfield Lundy
- 1964 – California’s 21st congressional district (R) – lost
- 1968 – California’s 21st congressional district (R) – lost
- 1972 – California’s 21st congressional district (R) – lost
Brian Lungren
- 1982 – California’s 32nd congressional district (R) – lost
