Antonio Iandiorio
- 1950 – New York’s 8th congressional district (American Labor) – lost
Gerald Ianelli
- 1958 – Pennsylvania’s 1st congressional district (R) – lost
Jack Iannantuono
- 1998 – United States Senate (Pennsylvania) (L) – lost
Thomas V. Iannitti
- 1976 – Rhode Island’s 2nd congressional district (R) – lost
James Iannucci
- 1952 – Pennsylvania’s 1st congressional district (R) – lost
Carol Iannuzzi
- 2020 – Texas’ 26th congressional district (D) – lost
David L. Iaquinta
- 1984 – Wisconsin’s 6th congressional district (D) – lost
Milton Ibach
- 1936 – Pennsylvania’s 19th congressional district (S) – lost
James O. Icenhour
- 1980 – North Carolina’s 10th congressional district (D) – lost
Richard Howard Ichord, Jr.
- 1960 – Missouri’s 8th congressional district (D) – won
- 1962 – Missouri’s 8th congressional district (D) – won
- 1964 – Missouri’s 8th congressional district (D) – won
- 1966 – Missouri’s 8th congressional district (D) – won
- 1968 – Missouri’s 8th congressional district (D) – won
- 1970 – Missouri’s 8th congressional district (D) – won
- 1972 – Missouri’s 8th congressional district (D) – won
- 1974 – Missouri’s 8th congressional district (D) – won
- 1976 – Missouri’s 8th congressional district (D) – won
- 1978 – Missouri’s 8th congressional district (D) – won
Philip Ickler
- 1934 – Oregon’s 3rd congressional district (I) – lost
O. Z. Ide
- 1938 – Michigan’s 14th congressional district (R) – lost
Michael ‘Commander’ Idrogo
- 2004 – Texas’ 20th congressional district (I) – lost
- 2006 – Texas’ 20th congressional district (L) – lost
- 2008 – Texas’ 20th congressional district (L) – lost
- 2010 – Texas’ 20th congressional district (L) – lost
Archie G. Idso
- 1958 – United States Senate (Washington) (C) – lost
Cecilia ‘Cici’ Iglesias
- 2010 – California’s 47th congressional district (I) – lost
James Thomas Igoe
- 1926 – Illinois’ 6th congressional district (D) – won
- 1928 – Illinois’ 6th congressional district (D) – won
- 1930 – Illinois’ 6th congressional district (D) – won
Kevin R. Igoe
- 1980 – Maryland’s 5th congressional district (R) – lost
Michael Lambert Igoe
- 1934 – Illinois’ at large congressional district (D) – won
Edward H. Ihnen
- 1964 – New Jersey’s 7th congressional district (D) – lost
Bruce Iiams
- 1982 – Texas’ 4th congressional district (L) – lost
Charles V. ‘Chuck’ Ijams
- 1976 – Kansas’ 2nd congressional district (American) – lost
Frank Neville Ikard
- 1952 – Texas’ 13th congressional district (D) – won
- 1954 – Texas’ 13th congressional district (D) – won
- 1956 – Texas’ 13th congressional district (D) – won
- 1958 – Texas’ 13th congressional district (D) – won
- 1960 – Texas’ 13th congressional district (D) – won
Roger A. Ikola
- 1974 – California’s 13th congressional district (Special) (D) – lost
Joseph R. Illing
- 1986 – Washington’s 3rd congressional district (R) – lost
Richard E. Illyes
- 1998 – Missouri’s 1st congressional district (L) – lost
Donna Imam
- 2020 – Texas’ 31st congressional district (D) – lost
James Imbrie
- 1948 – United States Senate (New Jersey) (Prog.) – lost
Lawrence E. Imhoff
- 1932 – Ohio’s 18th congressional district (D) – won
- 1934 – Ohio’s 18th congressional district (D) – won
- 1936 – Ohio’s 18th congressional district (D) – won
- 1938 – Ohio’s 18th congressional district (D) – lost
- 1940 – Ohio’s 18th congressional district (D) – won
- 1942 – Ohio’s 18th congressional district (D) – lost
Albert R. Imle
- 1954 – Illinois’ 23rd congressional district (D) – lost
- 1956 – Illinois’ 23rd congressional district (D) – lost
Lillian Immediato
Aubrey Immelman
- 2008 – Minnesota’s 6th congressional district (W/I) – lost
- 2010 – Minnesota’s 6th congressional district (I) – lost
Aniello D. Imperato
- 1936 – Massachusetts’ 11th congressional district (I) – lost
Anthony Imperiale
- 1988 – New Jersey’s 10th congressional district (People’s Choice) – lost
Curtis Imrie
- 2000 – Colorado’s 3rd congressional district (D) – lost
- 2002 – Colorado’s 5th congressional district (D) – lost
Gregg Imus
- 2012 – California’s 8th congressional district (R) – lost
Eva L. Ince
- 2006 – Alaska’s at large congressional district (G) – lost
Joseph S. Indyk
- 1976 – New Jersey’s 4th congressional district (R) – lost
Dennis J. Ingalls
- 1992 – Massachusetts’ 4th congressional district (Freedom for LaRouche) – lost
Anna Ingerman
- 1926 – New York’s 17th congressional district (S) – lost
Thelma Ingersoll
- 1952 – United States Senate (Massachusetts) (SL) – lost
- 1954 – United States Senate (Massachusetts) (SL) – lost
William Ingham
- 1936 – California’s 11th congressional district (Comm.) – lost
John J. Ingle
- 1944 – North Carolina’s 5th congressional district (R) – lost
John J. Inglesby
- 1952 – New Jersey’s 4th congressional district (R) – lost
Robert Durden Inglis, Sr.
- 1992 – South Carolina’s 4th congressional district (R) – won
- 1994 – South Carolina’s 4th congressional district (R) – won
- 1996 – South Carolina’s 4th congressional district (R) – won
- 1998 – United States Senate (South Carolina) (R) – lost
- 2004 – South Carolina’s 4th congressional district (R) – won
- 2006 – South Carolina’s 4th congressional district (R) – won
- 2008 – South Carolina’s 4th congressional district (R) – won
Joe Ingraham
- 1948 – Texas’ 8th congressional district (R) – lost
William M. Ingraham
- 1924 – Maine’s 1st congressional district (D) – lost
Clifton Ingram
- 2018 – North Carolina’s 11th congressional district (L) – lost
John Randolph Ingram
- 1978 – United States Senate (North Carolina) (D) – lost
L. F. Ingram
- 1960 – New Mexico’s at large congressional district (Proh.) – lost
R. Palmer Ingram
- 1932 – Maryland’s 3rd congressional district (R) – lost
