Dennis Bryant Lubahn
- 1992 – North Carolina’s 2nd congressional district (L) – lost
Gertrude Lubin
- 1942 – New Jersey’s 11th congressional district (S) – lost
- 1944 – New Jersey’s 11th congressional district (S) – lost
Jason Luby
- 1982 – Texas’ 27th congressional district (R) – lost
Charles P. Lucas
- 1968 – Ohio’s 21st congressional district (R) – lost
Frank Dean Lucas
- 1994 – Oklahoma’s 6th congressional district (R) – won
- 1996 – Oklahoma’s 6th congressional district (R) – won
- 1998 – Oklahoma’s 6th congressional district (R) – won
- 2000 – Oklahoma’s 6th congressional district (R) – won
- 2002 – Oklahoma’s 3rd congressional district (R) – won
- 2004 – Oklahoma’s 3rd congressional district (R) – won
- 2006 – Oklahoma’s 3rd congressional district (R) – won
- 2008 – Oklahoma’s 3rd congressional district (R) – won
- 2010 – Oklahoma’s 3rd congressional district (R) – won
- 2012 – Oklahoma’s 3rd congressional district (R) – won
- 2014 – Oklahoma’s 3rd congressional district (R) – won
- 2016 – Oklahoma’s 3rd congressional district (R) – won
- 2018 – Oklahoma’s 3rd congressional district (R) – won
- 2020 – Oklahoma’s 3rd congressional district (R) – won
- 2022 – Oklahoma’s 3rd congressional district (R) – won
Frank R. Lucas
- 1992 – New Jersey’s 5th congressional district (D) – lost
Jerry R. Lucas
- 2010 – Indiana’s 9th congressional district (W/I) – lost
Kenneth Ray Lucas
- 1998 – Kentucky’s 4th congressional district (D) – won
- 2000 – Kentucky’s 4th congressional district (D) – won
- 2002 – Kentucky’s 4th congressional district (D) – won
- 2006 – Kentucky’s 4th congressional district (D) – lost
Robert H. Lucas
- 1936 – United States Senate (Kentucky) (R) – lost
Robert Lucas
- 2004 – Ohio’s 13th congressional district (R) – lost
Scott Wike Lucas
- 1934 – Illinois’ 20th congressional district (D) – won
- 1936 – Illinois’ 20th congressional district (D) – won
- 1938 – United States Senate (Illinois) (D) – won
- 1944 – United States Senate (Illinois) (D) – won
- 1950 – United States Senate (Illinois) (D) – lost
Wingate Hezekiah Lucas
- 1946 – Texas’ 12th congressional district (D) – won
- 1948 – Texas’ 12th congressional district (D) – won
- 1950 – Texas’ 12th congressional district (D) – won
- 1952 – Texas’ 12th congressional district (D) – won
Mariano A. Lucca
- 1954 – New York’s 40th congressional district (D) – lost
- 1958 – New York’s 40th congressional district (D) – lost
- 1960 – New York’s 40th congressional district (D) – lost
Clare Boothe Luce
- 1942 – Connecticut’s 4th congressional district (R) – won
- 1944 – Connecticut’s 4th congressional district (R) – won
David R. Luce
- 1952 – Michigan’s 2nd congressional district (Prog.) – lost
Kevin S. Luce
- 2010 – United States Senate (Alaska) (W/I) – lost
Marjorie L. Luce
- 1982 – Minnesota’s 8th congressional district (R) – lost
Mark C. Luce
- 1998 – California’s 1st congressional district (R) – lost
Otis A. Luce
- 1936 – Minnesota’s 4th congressional district (I) – lost
Robert Luce
- 1920 – Massachusetts’ 13th congressional district (R) – won
- 1922 – Massachusetts’ 13th congressional district (R) – won
- 1924 – Massachusetts’ 13th congressional district (R) – won
- 1926 – Massachusetts’ 13th congressional district (R) – won
- 1928 – Massachusetts’ 13th congressional district (R) – won
- 1930 – Massachusetts’ 13th congressional district (R) – won
- 1932 – Massachusetts’ 9th congressional district (R) – won
- 1934 – Massachusetts’ 9th congressional district (R) – lost
- 1936 – Massachusetts’ 9th congressional district (R) – won
- 1938 – Massachusetts’ 9th congressional district (R) – won
- 1940 – Massachusetts’ 9th congressional district (R) – lost
Antonio Lucero
- 1920 – New Mexico’s at large congressional district (D) – lost
Joe Lucero
- 1966 – Colorado’s 2nd congressional district (New Hispano) – lost
Patrick Joseph Lucey
- 1950 – Wisconsin’s 3rd congressional district (D) – lost
Richard Lucey
- 2002 – Michigan’s 3rd congressional district (R) – lost
John Stephen Luchansky
- 2004 – Ohio’s 6th congressional district (W/I) – lost
Alvin A. Lucier
- 1938 – New Hampshire’s 2nd congressional district (D) – lost
Ken Lucier
- 2006 – Minnesota’s 7th congressional district (C) – lost
Casey Lucius
- 2016 – California’s 20th congressional district (R) – lost
Oliver Francis Luck
- 1990 – West Virginia’s 2nd congressional district (R) – lost
Henry Carl Luckey
- 1934 – Nebraska’s 1st congressional district (D) – won
- 1936 – Nebraska’s 1st congressional district (D) – won
- 1938 – Nebraska’s 1st congressional district (D) – lost
- 1940 – Nebraska’s 1st congressional district (D) – lost
High M. Luckey
- 1936 – Illinois’ 18th congressional district (R) – lost
Greg Luckner
- 2018 – Nevada’s 4th congressional district (L) – lost
Kendal Ludden
- 2022 – New Jersey’s 10th congressional district (L) – lost
Cal R. Ludeman
- 1992 – Minnesota’s 2nd congressional district (IR) – lost
Grace Farnsworth Luder
- 1946 – Massachusetts’ 9th congressional district (Proh.) – lost
- 1950 – Massachusetts’ 8th congressional district (Proh.) – lost
- 1952 – Massachusetts’ 14th congressional district (Proh.) – lost
- 1964 – United States Senate (Massachusetts) (Proh.) – lost
Paul Ludieu
- 1970 – United States Senate (Michigan) (SW) – lost
Louis Leon Ludlow
- 1928 – Indiana’s 7th congressional district (D) – won
- 1930 – Indiana’s 7th congressional district (D) – won
- 1932 – Indiana’s 12th congressional district (D) – won
- 1934 – Indiana’s 12th congressional district (D) – won
- 1936 – Indiana’s 12th congressional district (D) – won
- 1938 – Indiana’s 12th congressional district (D) – won
- 1940 – Indiana’s 12th congressional district (D) – won
- 1942 – Indiana’s 11th congressional district (D) – won
- 1944 – Indiana’s 11th congressional district (D) – won
- 1946 – Indiana’s 11th congressional district (D) – won
Willis H. Ludlow
- 1972 – Idaho’s 2nd congressional district (D) – lost
Carl J. Ludwig
- 1934 – Wisconsin’s 5th congressional district (Prog.) – lost
Earl Ludwig
- 1944 – Ohio’s 4th congressional district (D) – lost
- 1948 – Ohio’s 4th congressional district (D) – lost
George Ludwig
- 1932 – New Jersey’s 13th congressional district (SL) – lost
Ludwig
- 1950 – United States Senate (Iowa) (SL) – lost
William H. Ludwig
- 1944 – Wisconsin’s 7th congressional district (D) – lost
John Frederick Luecke
- 1936 – Michigan’s 11th congressional district (D) – won
- 1938 – Michigan’s 11th congressional district (D) – lost
William Blaine Luetkemeyer
- 2008 – Missouri’s 9th congressional district (R) – won
- 2010 – Missouri’s 9th congressional district (R) – won
- 2012 – Missouri’s 3rd congressional district (R) – won
- 2014 – Missouri’s 3rd congressional district (R) – won
- 2016 – Missouri’s 3rd congressional district (R) – won
- 2018 – Missouri’s 3rd congressional district (R) – won
- 2020 – Missouri’s 3rd congressional district (R) – won
- 2022 – Missouri’s 3rd congressional district (R) – won
Willfred Weymouth Lufkin
- 1920 – Massachusetts’ 6th congressional district (R) – won
Walter Luftman
- 1950 – New York’s 28th congressional district (Liberal) – lost
Richard Green Lugar
- 1974 – United States Senate (Indiana) (R) – lost
- 1976 – United States Senate (Indiana) (R) – won
- 1982 – United States Senate (Indiana) (R) – won
- 1988 – United States Senate (Indiana) (R) – won
- 1994 – United States Senate (Indiana) (R) – won
- 2000 – United States Senate (Indiana) (R) – won
- 2006 – United States Senate (Indiana) (R) – won
Chris Lugo
- 2006 – United States Senate (Tennessee) (G) – lost
- 2008 – United States Senate (Tennessee) (I) – lost
Christina Jean Lugo
- 2010 – Oregon’s 5th congressional district (G) – lost
- 2012 – Oregon’s 5th congressional district (Pacific Green) – lost
- 2014 – United States Senate (Oregon) (PG) – lost
