Reuben W. Borough
- 1952 – United States Senate (California) (D) – lost
Adair Boroughs
- 2020 – South Carolina’s 2nd congressional district (D) – lost
Randy Borow
- 1996 – Illinois’ 7th congressional district (R) – lost
Eric Borregard
- 2002 – United States Senate (Michigan) (G) – lost
Jordan Borrowman
- 2022 – Maine’s 2nd congressional district (I) – lost
Robert Anthony Borski, Jr.
- 1982 – Pennsylvania’s 3rd congressional district (D) – won
- 1984 – Pennsylvania’s 3rd congressional district (D) – won
- 1986 – Pennsylvania’s 3rd congressional district (D) – won
- 1988 – Pennsylvania’s 3rd congressional district (D) – won
- 1990 – Pennsylvania’s 3rd congressional district (D) – won
- 1992 – Pennsylvania’s 3rd congressional district (D) – won
- 1994 – Pennsylvania’s 3rd congressional district (D) – won
- 1996 – Pennsylvania’s 3rd congressional district (D) – won
- 1998 – Pennsylvania’s 3rd congressional district (D) – won
- 2000 – Pennsylvania’s 3rd congressional district (D) – won
Ed Bortz
- 2010 – Pennsylvania’s 14th congressional district (G) – lost
Ernesto B. Borunda
- 1976 – United States Senate (New Mexico) (La Raza Unida) – lost
Richard P. Bosa
- 1992 – New Hampshire’s 1st congressional district (I) – lost
Albert Henry Bosch
- 1952 – New York’s 5th congressional district (R) – won
- 1954 – New York’s 5th congressional district (R) – won
- 1956 – New York’s 5th congressional district (R) – won
- 1958 – New York’s 5th congressional district (R) – won
John Vanden Bosch
- 1934 – New York’s 39th congressional district (S) – lost
Pat Bosch
- 1974 – Arizona’s 3rd congressional district (D) – lost
- 1982 – Arizona’s 3rd congressional district (D) – lost
Rudolph Ely Boschwitz
- 1978 – United States Senate (Minnesota) (R) – won
- 1984 – United States Senate (Minnesota) (R) – won
- 1990 – United States Senate (Minnesota) (IR) – lost
- 1996 – United States Senate (Minnesota) (R) – lost
Douglas Harry Bosco
- 1982 – California’s 1st congressional district (D) – won
- 1984 – California’s 1st congressional district (D) – won
- 1986 – California’s 1st congressional district (D) – won
- 1988 – California’s 1st congressional district (D) – won
- 1990 – California’s 1st congressional district (D) – lost
Susan Boser
- 2018 – Pennsylvania’s 15th congressional district (D) – lost
Charles M. Bosley
- 1932 – Nebraska’s 4th congressional district (By Petition) – lost
Kenneth T. Bosley
- 1998 – Maryland’s 2nd congressional district (D) – lost
- 2000 – Maryland’s 2nd congressional district (D) – lost
- 2004 – Maryland’s 6th congressional district (D) – lost
Charles E. Bosma
- 1978 – Indiana’s 11th congressional district (R) – lost
Reva Zilpha Beck Bosone
- 1948 – Utah’s 2nd congressional district (D) – won
- 1950 – Utah’s 2nd congressional district (D) – won
- 1952 – Utah’s 2nd congressional district (D) – lost
- 1954 – Utah’s 2nd congressional district (D) – lost
Jeff Boss
- 2008 – United States Senate (New Jersey) (I) – lost
- 2014 – United States Senate (New Jersey) (I) – lost
- 2016 – New Jersey’s 9th congressional district (NSA Did 911) – lost
Jill Bossi
- 2014 – United States Senate (South Carolina) (Special) (American) – lost
William J. Bossingham
- 1938 – Illinois’ 11th congressional district (D) – lost
Michael Joseph Bost
- 2014 – Illinois’ 12th congressional district (R) – won
- 2016 – Illinois’ 12th congressional district (R) – won
- 2018 – Illinois’ 12th congressional district (R) – won
- 2020 – Illinois’ 12th congressional district (R) – won
- 2022 – Illinois’ 12th congressional district (R) – won
W. I. Bost
- 1944 – South Carolina’s 5th congressional district (R) – lost
Diane Bostow
- 2016 – Michigan’s 1st congressional district (L) – lost
Frans Bostrom
- 1922 – United States Senate (Washington) (Workers) – lost
Charles H. Boswell
- 1954 – Indiana’s 11th congressional district (D) – lost
David E. Boswell
- 2008 – Kentucky’s 2nd congressional district (D) – lost
Leonard L. Boswell
- 1996 – Iowa’s 3rd congressional district (D) – won
- 1998 – Iowa’s 3rd congressional district (D) – won
- 2000 – Iowa’s 3rd congressional district (D) – won
- 2002 – Iowa’s 3rd congressional district (D) – won
- 2004 – Iowa’s 3rd congressional district (D) – won
- 2006 – Iowa’s 3rd congressional district (D) – won
- 2008 – Iowa’s 3rd congressional district (D) – won
- 2010 – Iowa’s 3rd congressional district (D) – won
- 2012 – Iowa’s 3rd congressional district (D) – lost
Shmuley Boteach
- 2012 – New Jersey’s 9th congressional district (R) – lost
Daniel S. Botelho
- 2012 – Massachusetts’ 9th congressional district (I) – lost
Juan B. Botero
- 2006 – Colorado’s 6th congressional district (R-W/I) – lost
Joan I. Bottchor
- 1990 – New Jersey’s 12th congressional district (Back to Basics) – lost
Neal P. Bottiglieri
- 1958 – New York’s 25th congressional district (D, Liberal) – lost
Clarence Alfred Bottolfsen
- 1944 – United States Senate (Idaho) (R) – lost
Paul K. Botts
- 1970 – Pennsylvania’s 1st congressional district (AI) – lost
Joseph Henry Bottum
- 1962 – United States Senate (South Dakota) (R) – lost
Lloyd Botway
- 1994 – Tennessee’s 5th congressional district (I) – lost
Max Botwinick
- 1932 – New Jersey’s 13th congressional district (Comm.) – lost
James J. Bouchard
- 2016 – Maine’s 1st congressional district (L-W/I) – lost
John D. Bouchard
- 1988 – New York’s 30th congressional district (R) – lost
Michael J. Bouchard
- 2006 – United States Senate (Michigan) (R) – lost
Alaya Bouche
- 2000 – Michigan’s 9th congressional district (NL) – lost
Frederick Carlyle Boucher
- 1982 – Virginia’s 9th congressional district (D) – won
- 1984 – Virginia’s 9th congressional district (D) – won
- 1986 – Virginia’s 9th congressional district (D) – won
- 1988 – Virginia’s 9th congressional district (D) – won
- 1990 – Virginia’s 9th congressional district (D) – won
- 1992 – Virginia’s 9th congressional district (D) – won
- 1994 – Virginia’s 9th congressional district (D) – won
- 1996 – Virginia’s 9th congressional district (D) – won
- 1998 – Virginia’s 9th congressional district (D) – won
- 2000 – Virginia’s 9th congressional district (D) – won
- 2002 – Virginia’s 9th congressional district (D) – won
- 2004 – Virginia’s 9th congressional district (D) – won
- 2006 – Virginia’s 9th congressional district (D) – won
- 2008 – Virginia’s 9th congressional district (D) – won
- 2010 – Virginia’s 9th congressional district (D) – lost
Joseph L. W. Boucher
- 1940 – New Jersey’s 10th congressional district (Ind. Lincoln Principles) – lost
Paul Boucher
- 2022 – Wisconsin’s 8th congressional district (I) – lost
William J. Bouck
- 1920 – Washington’s 2nd congressional district (FL) – lost
- 1930 – Washington’s 2nd congressional district (FL) – lost
John Bouie II
- 2016 – Mississippi’s 2nd congressional district (R) – lost
Jessie Bouley
- 2004 – Texas’ 20th congressional district (L) – lost
Eldon Beau Boulter
- 1984 – Texas’ 13th congressional district (R) – won
- 1986 – Texas’ 13th congressional district (R) – won
- 1988 – United States Senate (Texas) (R) – lost
- 1992 – Texas’ 13th congressional district (R) – lost
