John P. Kelso
- 1940 – Ohio’s 10th congressional district (D) – lost
Rebecca Keltie
- 2020 – Colorado’s 5th congressional district (Unity) – lost
W. R. Kelton
- 1952 – Oklahoma’s 2nd congressional district (I) – lost
Jacob Kelts
- 2022 – Michigan’s 9th congressional district (L) – lost
James Preston Kem
- 1946 – United States Senate (Missouri) (R) – won
- 1952 – United States Senate (Missouri) (R) – lost
Richard J. Kemly
- 1988 – New Jersey’s 9th congressional district (Poor Man’s) – lost
Monte Kemmler
- 1996 – Pennsylvania’s 9th congressional district (D) – lost
Frank A. Kemp, Jr.
- 1968 – Colorado’s 1st congressional district (R) – lost
Bolivar Edwards Kemp, Sr.
- 1924 – Louisiana’s 6th congressional district (D) – won
- 1926 – Louisiana’s 6th congressional district (D) – won
- 1928 – Louisiana’s 6th congressional district (D) – won
- 1930 – Louisiana’s 6th congressional district (D) – won
- 1932 – Louisiana’s 6th congressional district (D) – won
E. W. Kemp
- 1932 – Oklahoma’s 4th congressional district (R) – lost
Hill Kemp
- 1998 – Texas’ 22nd congressional district (D) – lost
J. H. Kemp
- 1934 – United States Senate (Nebraska) (Special) (R) – lost
Jack French Kemp
- 1970 – New York’s 39th congressional district (R, CON) – won
- 1972 – New York’s 38th congressional district (R, CON) – won
- 1974 – New York’s 38th congressional district (R, CON) – won
- 1976 – New York’s 38th congressional district (R, CON) – won
- 1978 – New York’s 38th congressional district (R, CON) – won
- 1980 – New York’s 38th congressional district (R, CON, RTL) – won
- 1982 – New York’s 31st congressional district (R, CON) – won
- 1984 – New York’s 31st congressional district (R, CON) – won
- 1986 – New York’s 31st congressional district (R, CON, RTL) – won
Adam Kempa
- 1960 – Michigan’s 1st congressional district (Independent American) – lost
Crosby Kemper
- 1962 – United States Senate (Missouri) (R) – lost
Harry Kemper
- 1956 – Maryland’s 3rd congressional district (R) – lost
- 1958 – Maryland’s 3rd congressional district (R) – lost
Nancy Jo Kemper
- 2016 – Kentucky’s 6th congressional district (D) – lost
Thomas J. Kemper
- 2002 – Texas’ 5th congressional district (G) – lost
Dirk Arthur Kempthorne
- 1992 – United States Senate (Idaho) (R) – won
Bruce Kendall
- 1996 – California’s 6th congressional district (NL) – lost
Doug Kendall
- 2002 – South Carolina’s 5th congressional district (L) – lost
Elva Roscoe Kendall
- 1928 – Kentucky’s 9th congressional district (R) – won
- 1930 – Kentucky’s 9th congressional district (R) – lost
Hardy Kuy Kendall
- 1926 – Arkansas’ 3rd congressional district (R) – lost
Jason H. Kendall
- 2012 – Florida’s 7th congressional district (D) – lost
LeeAnn S. Kendall
- 2000 – California’s 50th congressional district (NL) – lost
Messmore Kendall
- 1940 – New York’s at large congressional district (R) – lost
Samuel Austin Kendall
- 1920 – Pennsylvania’s 23rd congressional district (R) – won
- 1922 – Pennsylvania’s 24th congressional district (R) – won
- 1924 – Pennsylvania’s 24th congressional district (R) – won
- 1926 – Pennsylvania’s 24th congressional district (R, S, Proh.) – won
- 1928 – Pennsylvania’s 24th congressional district (R, Proh.) – won
- 1930 – Pennsylvania’s 24th congressional district (R) – won
- 1932 – Pennsylvania’s 24th congressional district (R, Proh., Nonpartisan) – lost
Roy Kendel
- 1988 – New Hampshire’s 2nd congressional district (L) – lost
- 1996 – New Hampshire’s 2nd congressional district (IA) – lost
- 1998 – United States Senate (New Hampshire) (I) – lost
- 2000 – New Hampshire’s 2nd congressional district (C) – lost
Steve Kender
- 1982 – Ohio’s 15th congressional district (L) – lost
James Kendrick
- 1980 – Minnesota’s 4th congressional district (SW) – lost
John Benjamin Kendrick
- 1922 – United States Senate (Wyoming) (D) – won
- 1928 – United States Senate (Wyoming) (D) – won
N. P. ‘Pat’ Kendrick
- 1988 – Texas’ 6th congressional district (D) – lost
Alfred Kennedy
- 1920 – New York’s 1st congressional district (D) – lost
Ambrose Jerome Kennedy
- 1932 – Maryland’s 4th congressional district (D) – won
- 1934 – Maryland’s 4th congressional district (D) – won
- 1936 – Maryland’s 4th congressional district (D) – won
- 1938 – Maryland’s 4th congressional district (D) – won
Ambrose Kennedy
- 1920 – Rhode Island’s 3rd congressional district (R) – won
Amy Kennedy
- 2020 – New Jersey’s 2nd congressional district (D) – lost
Ava Kennedy
- 1996 – Oklahoma’s 5th congressional district (I) – lost
Basil G. Kennedy
- 1954 – Wisconsin’s 10th congressional district (D) – lost
- 1958 – Wisconsin’s 10th congressional district (D) – lost
Beverly Kennedy
- 1992 – Florida’s 20th congressional district (R) – lost
- 1994 – Florida’s 20th congressional district (R) – lost
- 1996 – Florida’s 19th congressional district (R) – lost
Brian T. Kennedy
- 1984 – New Jersey’s 3rd congressional district (R) – lost
- 1986 – New Jersey’s 3rd congressional district (R) – lost
- 2000 – New Jersey’s 6th congressional district (R) – lost
Bryan Kennedy
- 2004 – Wisconsin’s 5th congressional district (D) – lost
- 2006 – Wisconsin’s 5th congressional district (D) – lost
Brynne S. Kennedy
- 2020 – California’s 4th congressional district (D) – lost
C. L. Kennedy
- 1980 – Texas’ 18th congressional district (R) – lost
David W. Kennedy
- 1924 – Illinois’ 25th congressional district (S) – lost
Don Kennedy
- 2004 – Florida’s 22nd congressional district (W/I) – lost
Edward Moore Kennedy
- 1962 – United States Senate (Massachusetts) (Special) (D) – won
- 1964 – United States Senate (Massachusetts) (D) – won
- 1970 – United States Senate (Massachusetts) (D) – won
- 1976 – United States Senate (Massachusetts) (D) – won
- 1982 – United States Senate (Massachusetts) (D) – won
- 1988 – United States Senate (Massachusetts) (D) – won
- 1994 – United States Senate (Massachusetts) (D) – won
- 2000 – United States Senate (Massachusetts) (D) – won
- 2006 – United States Senate (Massachusetts) (D) – won
Edward N. Kennedy
- 1924 – Ohio’s 6th congressional district (D) – lost
- 1926 – Ohio’s 6th congressional district (D) – lost
Frank P. Kennedy
- 1928 – Wisconsin’s 11th congressional district (D) – lost
Hugh T. Kennedy
- 1932 – Minnesota’s at large congressional district (D) – lost
J. H. Kennedy
- 1922 – Illinois’ 1st congressional district (FL) – lost