Terrance J. Lomax, Jr.
- 1942 – Massachusetts’ 14th congressional district (D) – lost
Laura Lombard
- 2020 – Kansas’ 4th congressional district (D) – lost
Peter Lombardi
- 1968 – Hawaii’s at large congressional district (PF) – lost
Antonio Lombardo
- 1936 – New York’s 25th congressional district (Comm.) – lost
- 1940 – New York’s 24th congressional district (Comm.) – lost
Joseph I. Lombardo
- 1982 – Ohio’s 2nd congressional district (I) – lost
Robert Lombardo
- 2016 – New Hampshire’s 1st congressional district (L) – lost
Axel O. Londal
- 1928 – Michigan’s 1st congressional district (S) – lost
- 1930 – Michigan’s 6th congressional district (S) – lost
- 1934 – Michigan’s 14th congressional district (I) – lost
Meyer London
- 1920 – New York’s 12th congressional district (S) – won
- 1922 – New York’s 12th congressional district (S) – lost
Betsy Dirksen Londrigan
- 2018 – Illinois’ 13th congressional district (D) – lost
- 2020 – Illinois’ 13th congressional district (D) – lost
Steven Mark Lonegan
- 1998 – New Jersey’s 9th congressional district (R) – lost
- 2013 – United States Senate (New Jersey) (Special) (R) – lost
Augustine Lonergan
- 1920 – United States Senate (Connecticut) (D) – lost
- 1928 – United States Senate (Connecticut) (D) – lost
- 1930 – Connecticut’s 1st congressional district (D) – won
- 1932 – United States Senate (Connecticut) (D) – won
- 1938 – United States Senate (Connecticut) (D, Union) – lost
Mike Lonergan
- 1984 – Washington’s 6th congressional district (R) – lost
Owsley Lonergan
- 1920 – Oklahoma’s 1st congressional district (S) – lost
Arthur J. Long
- 1928 – Texas’ 7th congressional district (R) – lost
- 1932 – Texas’ 7th congressional district (R) – lost
Breckenridge Long
- 1920 – United States Senate (Missouri) (D) – lost
Bruce Long
- 1984 – Oregon’s 4th congressional district (R) – lost
- 1986 – Oregon’s 4th congressional district (R) – lost
Carolyn Long
- 2018 – Washington’s 3rd congressional district (D) – lost
- 2020 – Washington’s 3rd congressional district (D) – lost
Charles A. Long
- 2014 – Maryland’s 3rd congressional district (R) – lost
Charles W. Long
- 1950 – Indiana’s 9th congressional district (D) – lost
Chester Isaiah Long
- 1924 – Kansas’ 8th congressional district (R) – lost
Chris Long
- 2012 – Ohio’s 3rd congressional district (R) – lost
Clarence Dickinson Long, Jr.
- 1962 – Maryland’s 2nd congressional district (D) – won
- 1964 – Maryland’s 2nd congressional district (D) – won
- 1966 – Maryland’s 2nd congressional district (D) – won
- 1968 – Maryland’s 2nd congressional district (D) – won
- 1970 – Maryland’s 2nd congressional district (D) – won
- 1972 – Maryland’s 2nd congressional district (D) – won
- 1974 – Maryland’s 2nd congressional district (D) – won
- 1976 – Maryland’s 2nd congressional district (D) – won
- 1978 – Maryland’s 2nd congressional district (D) – won
- 1980 – Maryland’s 2nd congressional district (D) – won
- 1982 – Maryland’s 2nd congressional district (D) – won
- 1984 – Maryland’s 2nd congressional district (D) – lost
Clifford H. Long
- 1938 – Indiana’s 9th congressional district (R) – lost
Donald M. Long
- 1954 – New York’s 5th congressional district (American Labor) – lost
Edward Vaughn Long
- 1960 – United States Senate (Missouri) (Special) (D) – won
- 1962 – United States Senate (Missouri) (D) – won
George Shannon Long
- 1952 – Louisiana’s 8th congressional district (D) – won
- 1954 – Louisiana’s 8th congressional district (D) – won
- 1956 – Louisiana’s 8th congressional district (D) – won
Gillis William Long
- 1962 – Louisiana’s 8th congressional district (D) – won
- 1972 – Louisiana’s 8th congressional district (D) – won
- 1974 – Louisiana’s 8th congressional district (D) – won
- 1976 – Louisiana’s 8th congressional district (D) – won
- 1978 – Louisiana’s 8th congressional district (D) – won
- 1980 – Louisiana’s 8th congressional district (D) – won
- 1982 – Louisiana’s 8th congressional district (D) – won
- 1984 – Louisiana’s 8th congressional district (D) – won
Gordon A. Long
- 1956 – United States Senate (Indiana) (SL) – lost
Graham E. Long
- 2008 – New York’s 3rd congressional district (D, WF) – lost
Huey Pierce Long, Jr.
- 1930 – United States Senate (Louisiana) (D) – won
Jack Long
- 1996 – Vermont’s at large congressional district (D) – lost
Jill Lynette Long
- 1986 – United States Senate (Indiana) (D) – lost
- 1988 – Indiana’s 4th congressional district (D) – lost
- 1990 – Indiana’s 4th congressional district (D) – won
- 1992 – Indiana’s 4th congressional district (D) – won
- 1994 – Indiana’s 4th congressional district (D) – lost
Lewis Marshall Long
- 1936 – Illinois’ at large congressional district (D) – won
Lionel Long
- 2012 – United States Senate (Florida) (W/I) – lost
M. M. Long
- 1952 – Virginia’s 9th congressional district (D) – lost
Michel Joseph Long
- 2012 – United States Senate (Tennessee) (I) – lost
Mitchell Long
- 1924 – Tennessee’s 2nd congressional district (D) – lost
Patricia H. Long
- 1996 – Massachusetts’ 7th congressional district (R) – lost
- 1998 – Massachusetts’ 7th congressional district (R) – lost
Robert E. Long
- 1922 – United States Senate (Maryland) (Labor) – lost
Russell Billiu Long
- 1948 – United States Senate (Louisiana) (Special) (D) – won
- 1950 – United States Senate (Louisiana) (D) – won
- 1956 – United States Senate (Louisiana) (D) – won
- 1962 – United States Senate (Louisiana) (D) – won
- 1968 – United States Senate (Louisiana) (D) – won
- 1974 – United States Senate (Louisiana) (D) – won
- 1980 – United States Senate (Louisiana) (D) – won
Speedy Oteria Long
- 1964 – Louisiana’s 8th congressional district (D) – won
- 1966 – Louisiana’s 8th congressional district (D) – won
- 1968 – Louisiana’s 8th congressional district (D) – won
- 1970 – Louisiana’s 8th congressional district (D) – won
Stanley D. Long
- 1946 – Nebraska’s 4th congressional district (D) – lost
- 1952 – United States Senate (Nebraska) (D) – lost
Todd Long
- 2012 – Florida’s 9th congressional district (R) – lost
Wendy Elizabeth Long
- 2012 – United States Senate (New York) (R, CON) – lost
- 2016 – United States Senate (New York) (R, CON, Ref.) – lost
Will C. Long
- 1920 – Missouri’s 11th congressional district (S) – lost
William A. Long, Jr.
- 1994 – New York’s 27th congressional district (D) – lost
William H. Long II
- 2010 – Missouri’s 7th congressional district (R) – won
- 2012 – Missouri’s 7th congressional district (R) – won
- 2014 – Missouri’s 7th congressional district (R) – won
- 2016 – Missouri’s 7th congressional district (R) – won
- 2018 – Missouri’s 7th congressional district (R) – won
- 2020 – Missouri’s 7th congressional district (R) – won
William L. Long
- 1924 – Illinois’ 8th congressional district (S) – lost
Mark P. Longabaugh
- 1996 – Ohio’s 1st congressional district (D) – lost
William T. Longe
- 1954 – Pennsylvania’s 17th congressional district (D) – lost
