André E. Le Tendre
- 1970 – Wisconsin’s 7th congressional district (R) – lost
Clarence Frederick Lea
- 1920 – California’s 1st congressional district (D) – won
- 1922 – California’s 1st congressional district (D) – won
- 1924 – California’s 1st congressional district (D) – won
- 1926 – California’s 1st congressional district (D, R) – won
- 1928 – California’s 1st congressional district (D, R) – won
- 1930 – California’s 1st congressional district (D, R) – won
- 1932 – California’s 1st congressional district (D, R) – won
- 1934 – California’s 1st congressional district (D, R) – won
- 1936 – California’s 1st congressional district (D) – won
- 1938 – California’s 1st congressional district (D, R) – won
- 1940 – California’s 1st congressional district (D, R) – won
- 1942 – California’s 1st congressional district (D, R) – won
- 1944 – California’s 1st congressional district (D, R) – won
- 1946 – California’s 1st congressional district (D, R) – won
A. L. Leach
- 1946 – Michigan’s 14th congressional district (Proh.) – lost
- 1948 – Michigan’s 14th congressional district (Proh.) – lost
Alfred Leach
- 1924 – Pennsylvania’s 32nd congressional district (S) – lost
Anthony Claude Leach, Jr.
- 1978 – Louisiana’s 4th congressional district (D) – won
- 1980 – Louisiana’s 4th congressional district (D) – lost
Edson R. Leach
- 1940 – United States Senate (New Jersey) (Proh.) – lost
James Albert Smith Leach
- 1974 – Iowa’s 1st congressional district (R) – lost
- 1976 – Iowa’s 1st congressional district (R) – won
- 1978 – Iowa’s 1st congressional district (R) – won
- 1980 – Iowa’s 1st congressional district (R) – won
- 1982 – Iowa’s 1st congressional district (R) – won
- 1984 – Iowa’s 1st congressional district (R) – won
- 1986 – Iowa’s 1st congressional district (R) – won
- 1988 – Iowa’s 1st congressional district (R) – won
- 1990 – Iowa’s 1st congressional district (R) – won
- 1992 – Iowa’s 1st congressional district (R) – won
- 1994 – Iowa’s 1st congressional district (R) – won
- 1996 – Iowa’s 1st congressional district (R) – won
- 1998 – Iowa’s 1st congressional district (R) – won
- 2000 – Iowa’s 1st congressional district (R) – won
- 2002 – Iowa’s 2nd congressional district (R) – won
- 2004 – Iowa’s 2nd congressional district (R) – won
- 2006 – Iowa’s 2nd congressional district (R) – lost
John B. Leach
- 1926 – New York’s 43rd congressional district (D) – lost
Ken Leach
- 2008 – Texas’ 26th congressional district (D) – lost
Louise K. Leach
- 1946 – New Jersey’s 10th congressional district (Proh.) – lost
Ron Leach
- 2014 – Kentucky’s 2nd congressional district (D) – lost
George Michael Leader
- 1958 – United States Senate (Pennsylvania) (D) – lost
William M. Leader
- 1936 – Pennsylvania’s 3rd congressional district (I) – lost
- 1936 – Pennsylvania’s 7th congressional district (I) – lost
William O’Callaghan Leader
- 2014 – California’s 29th congressional district (R) – lost
James P. Leaf
- 1926 – Pennsylvania’s 26th congressional district (D, Proh.) – lost
C. Edgar Leafdale
- 1948 – Nebraska’s 4th congressional district (D) – lost
Joseph P. Leahey
- 1990 – New York’s 34th congressional district (D) – lost
- 1992 – New York’s 31st congressional district (D) – lost
Daniel P. Leahy
- 1924 – Massachusetts’ 8th congressional district (D) – lost
John Leahy
- 1932 – New Jersey’s 8th congressional district (SL) – lost
- 1936 – New Jersey’s 9th congressional district (SL) – lost
Patrick Joseph Leahy
- 1974 – United States Senate (Vermont) (D, Independent Vermonters) – won
- 1980 – United States Senate (Vermont) (D) – won
- 1986 – United States Senate (Vermont) (D) – won
- 1992 – United States Senate (Vermont) (D) – won
- 1998 – United States Senate (Vermont) (D) – won
- 2004 – United States Senate (Vermont) (D) – won
- 2010 – United States Senate (Vermont) (D) – won
- 2016 – United States Senate (Vermont) (D) – won
Spencer Leak
- 1976 – Illinois’ 2nd congressional district (R) – lost
James Patrick Leamy
- 1938 – Vermont’s at large congressional district (D) – lost
Charles C. Leap
- 1938 – Virginia’s 7th congressional district (R) – lost
S. J. Leaphart
- 1936 – South Carolina’s 2nd congressional district (I) – lost
- 1938 – South Carolina’s 2nd congressional district (I) – lost
Pat Lear
- 1978 – California’s 20th congressional district (D) – lost
Dale H. Learn
- 1946 – United States Senate (Pennsylvania) (Proh.) – lost
Daniel J. Leary
- 1950 – Missouri’s 7th congressional district (D) – lost
James Marvin Leath
- 1978 – Texas’ 11th congressional district (D) – won
- 1980 – Texas’ 11th congressional district (D) – won
- 1982 – Texas’ 11th congressional district (D) – won
- 1984 – Texas’ 11th congressional district (D) – won
- 1986 – Texas’ 11th congressional district (D) – won
- 1988 – Texas’ 11th congressional district (D) – won
Levi Leatherberry
- 2022 – Oregon’s 4th congressional district (I) – lost
Larry Leathers
- 1984 – California’s 23rd congressional district (L) – lost
- 1986 – California’s 27th congressional district (L) – lost
Elmer O. Leatherwood
- 1920 – Utah’s 2nd congressional district (R) – won
- 1922 – Utah’s 2nd congressional district (R) – won
- 1924 – Utah’s 2nd congressional district (R) – won
- 1926 – Utah’s 2nd congressional district (R) – won
- 1928 – Utah’s 2nd congressional district (R) – won
Bill Leavens
- 1994 – Pennsylvania’s 21st congressional district (D) – lost
Drew E. Leavens
- 2014 – California’s 45th congressional district (D) – lost
Bradley S. Leavitt
- 2006 – Ohio’s 9th congressional district (R) – lost
- 2008 – Ohio’s 9th congressional district (R) – lost
Halsey B. Leavitt
- 1934 – North Carolina’s 11th congressional district (R) – lost
- 1950 – United States Senate (North Carolina) (R) – lost
Karoline Leavitt
- 2022 – New Hampshire’s 1st congressional district (R) – lost
Reuben H. Leavitt
- 1926 – North Dakota’s 3rd congressional district (D) – lost
- 1928 – North Dakota’s 3rd congressional district (D) – lost
- 1930 – North Dakota’s 3rd congressional district (D) – lost
Scott Leavitt
- 1922 – Montana’s 2nd congressional district (R) – won
- 1924 – Montana’s 2nd congressional district (R) – won
- 1926 – Montana’s 2nd congressional district (R) – won
- 1928 – Montana’s 2nd congressional district (R) – won
- 1930 – Montana’s 2nd congressional district (R) – won
- 1932 – Montana’s 2nd congressional district (R) – lost
- 1934 – United States Senate (Montana) (Special) (R) – lost
Charles Henry Leavy
- 1936 – Washington’s 5th congressional district (D) – won
- 1938 – Washington’s 5th congressional district (D) – won
- 1940 – Washington’s 5th congressional district (D) – won
Jason Lebeck
- 2016 – Wisconsin’s 1st congressional district (L) – lost
Frances Leber
- 1950 – New Jersey’s 3rd congressional district (Prog.) – lost
Frederick S. Leber
- 1984 – Massachusetts’ 6th congressional district (R) – lost
Alice Lebert
- 1938 – New York’s 41st congressional district (S) – lost
Joseph LeBlanc Jr.
- 2020 – Texas’ 22nd congressional district (L) – lost
- 2022 – Texas’ 22nd congressional district (L) – lost
Lessie Olivia Leblanc
- 2022 – Louisiana’s 3rd congressional district (D) – lost
Steven Francis LeBoeuf
- 2000 – North Carolina’s 5th congressional district (L) – lost
Paul William LeBon
- 2002 – Texas’ 26th congressional district (D) – lost
John LeBoutillier
- 1980 – New York’s 6th congressional district (R, CON, RTL) – won
- 1982 – New York’s 3rd congressional district (R, CON) – lost
Tia LeBrun
- 2022 – Louisiana’s 3rd congressional district (D) – lost
Abram A. Lebson
- 1940 – New Jersey’s 9th congressional district (D) – lost
