Myrah Kirkwood
- 2004 – Michigan’s 5th congressional district (R) – lost
Matthew J. Kirnan
- 1998 – New Jersey’s 8th congressional district (R) – lost
Bradley L. Kirsch
- 1974 – New Jersey’s 1st congressional district (Independents Against Apathy) – lost
F. D. Kirsch
- 1936 – Pennsylvania’s 27th congressional district (Jeffersonian) – lost
Daniel Kirschler
- 2014 – Colorado’s 1st congressional district (W/I) – lost
Joseph Kirschwing
- 1924 – Montana’s 2nd congressional district (D) – lost
Eugene M. Kirtland
- 1970 – Indiana’s 1st congressional district (R) – lost
Michael Joseph Kirwan
- 1936 – Ohio’s 19th congressional district (D) – won
- 1938 – Ohio’s 19th congressional district (D) – won
- 1940 – Ohio’s 19th congressional district (D) – won
- 1942 – Ohio’s 19th congressional district (D) – won
- 1944 – Ohio’s 19th congressional district (D) – won
- 1946 – Ohio’s 19th congressional district (D) – won
- 1948 – Ohio’s 19th congressional district (D) – won
- 1950 – Ohio’s 19th congressional district (D) – won
- 1952 – Ohio’s 19th congressional district (D) – won
- 1954 – Ohio’s 19th congressional district (D) – won
- 1956 – Ohio’s 19th congressional district (D) – won
- 1958 – Ohio’s 19th congressional district (D) – won
- 1960 – Ohio’s 19th congressional district (D) – won
- 1962 – Ohio’s 19th congressional district (D) – won
- 1964 – Ohio’s 19th congressional district (D) – won
- 1966 – Ohio’s 19th congressional district (D) – won
- 1968 – Ohio’s 19th congressional district (D) – won
Jackson L. Kiser
- 1956 – Virginia’s 5th congressional district (R) – lost
Jeff Kish
- 2002 – North Carolina’s 12th congressional district (R) – lost
Keith Kisor
- 1966 – Washington’s 3rd congressional district (R) – lost
John Andrew Kissel
- 1920 – New York’s 3rd congressional district (R) – won
- 1922 – New York’s 3rd congressional district (R) – lost
K. Rick Kissell
- 1984 – Wisconsin’s 4th congressional district (Labor and Farm) – lost
Lawrence Webb Kissell
- 2006 – North Carolina’s 8th congressional district (D) – lost
- 2008 – North Carolina’s 8th congressional district (D) – won
- 2010 – North Carolina’s 8th congressional district (D) – won
- 2012 – North Carolina’s 8th congressional district (D) – lost
Donald Charles Kissick
- 2010 – Ohio’s 4th congressional district (L) – lost
- 2018 – Ohio’s 5th congressional district (L) – lost
Albert D. Kissling
- 2006 – New Mexico’s 2nd congressional district (D) – lost
Sedgwick Kistler
- 1930 – United States Senate (Pennsylvania) (Special) (D) – lost
Tyler Kistner
- 2022 – Minnesota’s 2nd congressional district (R) – lost
Lloyd L. Kitch, Jr.
- 1972 – Kansas’ 5th congressional district (D) – lost
Jeffrey D. Kitchen
- 1996 – Ohio’s 8th congressional district (D) – lost
Cyrus Kitchens
- 1952 – Alabama’s 7th congressional district (R) – lost
Wade Hampton Kitchens
- 1934 – Arkansas’ 7th congressional district (I) – lost
- 1936 – Arkansas’ 7th congressional district (D) – won
- 1938 – Arkansas’ 7th congressional district (D) – won
Alvin Paul Kitchin
- 1956 – North Carolina’s 8th congressional district (D) – won
- 1958 – North Carolina’s 8th congressional district (D) – won
- 1960 – North Carolina’s 8th congressional district (D) – won
- 1962 – North Carolina’s 8th congressional district (D) – lost
Claude Kitchin
- 1920 – North Carolina’s 2nd congressional district (D) – won
- 1922 – North Carolina’s 2nd congressional district (D) – won
Michael Kitsock
- 1970 – Pennsylvania’s 6th congressional district (R) – lost
Edward K. Kitt
- 1990 – New York’s 5th congressional district (RTL) – lost
Roger A. Kittelson
- 2008 – Wisconsin’s 6th congressional district (D) – lost
Lisa Kitterman
- 1996 – Texas’ 30th congressional district (D) – lost
John Kittleson
- 2022 – Colorado’s 1st congressional district (L) – lost
Derek W. Kitts
- 2016 – Virginia’s 9th congressional district (D) – lost
Derrick Kitts
- 2006 – Oregon’s 1st congressional district (R) – lost
James P. Kivett
- 1938 – Tennessee’s 1st congressional district (I) – lost
Marshall F. Kizer
- 1944 – Indiana’s 3rd congressional district (D) – lost
Scott A. Kjar
- 1992 – Nevada’s 1st congressional district (L) – lost
M. U. S. Kjorlang
- 1940 – Texas’ 8th congressional district (R) – lost
- 1942 – Texas’ 8th congressional district (R) – lost
Effie Kjorstad
- 1934 – North Dakota’s at large congressional district (Comm., Workers, Farmers’ Government) – lost
Holly M. Kjostad
- 2010 – United States Senate (Alaska) (W/I) – lost
Donald R. Klaassen
- 1996 – United States Senate (Kansas) (Short Term) (Ref.) – lost
Kim Klacik
- 2020 – Maryland’s 7th congressional district (Special) (R) – lost
- 2020 – Maryland’s 8th congressional district (R) – lost
Eric Klammer
- 2006 – Michigan’s 5th congressional district (R) – lost
Ed Klapproth
- 2010 – Nevada’s 1st congressional district (L) – lost
Jacob E. Klason
- 1938 – Pennsylvania’s 32nd congressional district (R) – lost
Jim Klauder (Florida)
- 2012 – Florida’s 4th congressional district (NP) – lost
Jim Klauder (Washington)
- 1984 – Washington’s 2nd congressional district (R) – lost
Howard Klausner
- 2016 – Michigan’s 14th congressional district (R) – lost
Jerrell Klaver
- 2010 – Colorado’s 5th congressional district (L) – lost
Joseph A. Klawon
- 1964 – New York’s 41st congressional district (R) – lost
Steve Klayman
- 1996 – Texas’ 10th congressional district (NL) – lost
Bernard Kleban
- 1938 – New York’s 3rd congressional district (American Labor) – lost
Richard Mifflin Kleberg, Sr.
- 1932 – Texas’ 14th congressional district (D) – won
- 1934 – Texas’ 14th congressional district (D) – won
- 1936 – Texas’ 14th congressional district (D) – won
- 1938 – Texas’ 14th congressional district (D) – won
- 1940 – Texas’ 14th congressional district (D) – won
- 1942 – Texas’ 14th congressional district (D) – won
