| Miriam Berry | U.S. House | VT | Republican | 1 |
| Paul Berry III | U.S. House | MO | Republican | 1 |
| Rodney Berry | U.S. House | SC | Republican | 1 |
| Brian John Bertges | U.S. House | FL | NPA | 1 |
| Frank Bertone | U.S. House | AZ | W | 1 |
| Frank Bertone | U.S. Senate | AZ | Republican | 1 |
| Rick Bertrand | U.S. House | IA | Republican | 1 |
| Bryon L. Best | U.S. House | SC | Democratic | 1 |
| Matthew Best | U.S. House | KY | Democratic | 1 |
| Ismael Betancourt Jr. | U.S. House | NY | Democratic | 1 |
| Lander Louis Bethel Jr | U.S. House | TX | Democratic | 1 |
| Greg Betts | U.S. House | OH | Democratic | 1 |
| Nicholas Betts | U.S. House | VA | Democratic | 1 |
| Barron Rae Bevels | U.S. House | AL | Republican | 1 |
| President Quinci Bel Ai Beverly Hills | President | US | Republican | 1 |
| Richard Bew | U.S. House | NC | Democratic | 1 |
| Nasser Beydoun | U.S. Senate | MI | Democratic | 1 |
| Augustine Beyer Beyer | U.S. House | AZ | NNE | 1 |
| Brad Beyer | U.S. Senate | WI | Republican | 1 |
| Donald Sternoff Honorable Beyer Jr. | U.S. House | VA | Democratic | 1 |
| Nikolay N. Bey | U.S. Senate | MN | Republican | 1 |
| Nikolay Nikolayevich Bey | U.S. House | MN | Republican | 1 |
| Tamerlane Timur Bey II | President | US | IDP | 1 |
| Ravi Bhalla | U.S. House | NJ | Democratic | 1 |
| Harry Bhandari | U.S. House | MD | Democratic | 1 |
| Shabadjot Singh Bharara | President | US | Democratic | 1 |
| Nikhil Bhatia | U.S. House | IL | Democratic | 1 |
| Arun K. Bhumitra | U.S. Senate | CA | Republican | 1 |
| Alessandra Biaggi | U.S. House | NY | Democratic | 1 |
| Nathan Biah | U.S. House | RI | Democratic | 1 |
| Michael John Bianchi | U.S. House | FL | NPA | 1 |
| Joseph Nicholas Biasco | U.S. House | NJ | Libertarian | 1 |
| Jason Bias | U.S. House | CO | Republican | 1 |
| Jason Aaron Bias | U.S. House | CO | Republican | 1 |
| Stephanie Bice | U.S. House | OK | Republican | 2 |
| Michael Bickelmeyer | President | US | Republican | 1 |
| Joseph R. Biden Jr. | President | US | Democratic | 2 |
| Virgil Bierschwale | U.S. Senate | TX | Republican | 1 |
| David Biery | U.S. Senate | KY | Independent | 1 |
| David Bies | U.S. House | AZ | Democratic | 1 |
| Chris Biesinger | U.S. House | UT | Republican | 1 |
| John Biggan | U.S. House | TX | Democratic | 1 |
| Judy Biggert | U.S. House | IL | Republican | 1 |
| Andy Biggs | U.S. House | AZ | Republican | 1 |
| Sheri Biggs | U.S. House | SC | Republican | 1 |
| Timothy Daniel M.D Bilash | U.S. House | CA | Democratic | 1 |
| Brian Phillip Bilbray | U.S. House | CA | Republican | 1 |
| Gus M. Bilirakis | U.S. House | FL | Republican | 2 |
| Michael Alan Billand | U.S. House | TX | Republican | 1 |
| Nicholas Ashton Biller | President | US | Independent | 1 |
| Joseph Michael Billie | U.S. House | PA | Republican | 1 |
| Dylan Billings | U.S. Senate | OK | Democratic | 1 |
| Christina Gerasimos Billings-Elias | President | US | Democratic | 1 |
| Beryl Billiot | U.S. Senate | LA | NOP | 1 |
| Nathan Eugene Billips Jr | U.S. House | WI | Democratic | 1 |
| Nathan Euegene Billips Jr. | U.S. House | WI | Democratic | 1 |
| Kurt Patrick Bills | U.S. Senate | MN | Republican | 1 |
| Willie Kailawn Billups | U.S. House | TX | Republican | 1 |
| Sheila Bilyeu | U.S. Senate | OK | Democratic | 1 |
| Sheila Bilyeu | U.S. Senate | AZ | Democratic | 1 |
| Joshua Binda | U.S. House | WA | Democratic | 1 |
| Jonathan Bingle | U.S. House | WA | Republican | 1 |
| Paul Binion | President | US | Independent | 1 |
| Ryan Binkley | President | US | Republican | 1 |
| Chris Raymond Binns | U.S. House | WA | Republican | 1 |
| Rod Bird Jr. | U.S. House | UT | Republican | 1 |
| Stonewall (Stoney) Jackson Bird | U.S. House | WA | Green | 1 |
| Veronica Birkenstock | U.S. House | TX | Republican | 1 |
| Igor A. Birman | U.S. House | CA | Republican | 1 |
| Christine Bish | U.S. House | CA | Republican | 1 |
| Bob Bishop | U.S. House | NY | Republican | 1 |
| David Anthony Dark Horse Bishop | U.S. House | MD | Libertarian | 1 |
| Douglas Bishop | President | US | Independent | 1 |
| James Daniel Bishop | U.S. House | NC | Republican | 1 |
| Jullian Bishop | U.S. House | NC | Democratic | 1 |
| Kevin Bishop | U.S. House | SC | Republican | 1 |
| Laurie Bishop | U.S. House | MT | Democratic | 1 |
| Michael Bishop | U.S. House | SC | Republican | 1 |
| Mike Bishop | U.S. House | MI | Republican | 1 |
| Robert Bishop | U.S. House | UT | Republican | 1 |
| Sanford Bishop | U.S. House | GA | Democratic | 1 |
| Romeo Biswa | President | US | Republican | 1 |
| Neena Biswas | U.S. House | TX | Republican | 1 |
| Carrie Rn Bittay-D'Intino | President | US | Democratic | 1 |
| Josh Bitterman | U.S. House | MI | Republican | 1 |
| Lydia Noelle Bivens | U.S. House | TN | Democratic | 1 |
| Martell De'Angelo Bivings | U.S. House | MI | Republican | 1 |
| Kimberly Ann Bizon | U.S. House | MI | Democratic | 1 |
| Matthew D. Bjelobrk | U.S. House | NH | Republican | 1 |
| Timothy W. Bjorkman | U.S. House | SD | Democratic | 1 |
| Andrew Black | U.S. House | NJ | Green | 1 |
| Annie Black | U.S. House | NV | Republican | 1 |
| Marsha Blackburn | U.S. House | TN | Republican | 1 |
| Marsha Blackburn | U.S. Senate | TN | Republican | 4 |
| Colt Morningstar Black | U.S. House | MD | Republican | 1 |
| Dean A. Black | U.S. House | FL | Republican | 1 |
| President Quinc Black Denim Hollywood | President | US | Republican | 1 |
| Diane L. Black | U.S. House | TN | Republican | 1 |
| Dianne Dodson Black | U.S. House | MS | Democratic | 1 |
| Gary Black | U.S. Senate | GA | Republican | 1 |
| Karla Black | U.S. House | CA | R | 1 |
| Walter Jack Blackman | U.S. House | AZ | Republican | 1 |
| Anthony Blackmon | U.S. House | AL | Republican | 1 |
| David Blackwelder | U.S. House | NC | Republican | 1 |
| David M. Blackwell | U.S. House | MO | Democratic | 2 |
| Sean Blackwell | U.S. House | ID | Republican | 1 |
| John Blair | U.S. House | NM | Democratic | 1 |
| Nicholas Edward Blair | U.S. House | AZ | Democratic | 1 |
| Raymond J. Blair Jr. | U.S. House | GA | Republican | 1 |
| Martin Andrew Blake | President | US | Independent | 1 |
| Michael Alexander Blake | U.S. House | NY | Democratic | 1 |
| Clarence Blalock | U.S. House | GA | Democratic | 1 |
| Kevin Andrew Blalock | U.S. House | AL | Republican | 1 |
| Lynda Blanchard | U.S. Senate | AL | Republican | 1 |
| Omar Blanco | U.S. House | FL | Republican | 1 |
| Keith Warrick Blandford | U.S. House | SC | Republican | 1 |
| Scott Bland | U.S. House | TX | Republican | 1 |
| Lynne Blankenbeker | U.S. House | NH | Republican | 1 |
| Eric Blankenburg | U.S. House | NC | Republican | 1 |
| Don Blankenship | U.S. Senate | WV | Democratic | 1 |
| Don Blankenship | President | US | CON | 1 |
| Seth Braden Blankenship | U.S. House | NC | Republican | 1 |
| Martin Blank | U.S. House | MI | Republican | 1 |
| Michael Blasi | U.S. House | NJ | Republican | 1 |
| Sarah Blas | U.S. House | NY | Democratic | 1 |
| Piotr Blass | U.S. House | FL | Republican | 1 |
| Jason Blazakis | U.S. House | NJ | Democratic | 1 |
| William David Dvm Bledsoe | U.S. Senate | SC | CON | 1 |
| William D. Blesdoe Dvm | U.S. House | SC | Republican | 1 |
| Kenneth Blevins | U.S. Senate | OK | Libertarian | 1 |
| Kenneth Blevins | President | US | Libertarian | 1 |
| Ryan Blevins | U.S. House | CA | Democratic | 1 |
| David Blewett | U.S. House | TX | Republican | 1 |
| Bobby Bliatout | U.S. House | CA | Democratic | 1 |
| Carol Blood | U.S. House | NE | Democratic | 1 |
| Michael R. Bloomberg | President | US | Democratic | 1 |
| Elijah Lewis Blue | U.S. House | CA | Libertarian | 1 |
| Jasmine Blue | U.S. House | TX | Democratic | 2 |
| Michael Joesph Blueming Jr | U.S. House | FL | Republican | 1 |
| Michael Joseph Bluemling Jr. | U.S. House | FL | Republican | 1 |
| Larry D. Bluford Sr. | President | US | W | 1 |
| Earl Blumenauer | U.S. House | OR | Democratic | 2 |
| Richard Blumenthal | U.S. Senate | CT | Democratic | 1 |
| Rodney Blum | U.S. House | IA | Republican | 1 |
| Leo Blundo | U.S. House | NV | Republican | 1 |
| Lisa Blunt Rochester | U.S. House | DE | Democratic | 1 |
| Lisa Blunt Rochester | U.S. Senate | DE | Democratic | 1 |
| Roy Blunt | U.S. Senate | MO | Republican | 2 |
| John Douglas Blyth | President | US | Democratic | 1 |
| R. J. Boatman | U.S. House | TX | Republican | 1 |
| John Burke Boatner Jr. | U.S. House | TN | Democratic | 1 |
| Daniel James Boblit | President | US | NNE | 1 |
| Josh Bocanegra | U.S. House | CA | NOP | 1 |
| Joshua Bocanegra | U.S. Senate | CA | Democratic | 1 |
| Brandon Reid Bocchino | U.S. House | CO | Democratic | 1 |
| George Bochetto | U.S. Senate | PA | Republican | 1 |
| President R. Boddie | President | US | Independent | 1 |
| President R19 Boddie | President | US | W | 2 |
| President R19 Boddie | President | US | Independent | 1 |
| Lauren Boebert | U.S. House | CO | Republican | 1 |
| Darwin Boedeker | U.S. House | TX | Republican | 1 |
| Bibiana Boerio | U.S. House | PA | Democratic | 1 |
| Eric Jon Boerner | President | US | Republican | 1 |
| Michael Shane Boggus | U.S. House | GA | Republican | 1 |
| Ken Bogner | U.S. House | MT | Republican | 1 |
| Jim Bognet | U.S. House | PA | Republican | 2 |
| Marvin Boguslawski | U.S. House | NC | Republican | 1 |
| Christina Bohannan | U.S. House | IA | Democratic | 1 |
| Antwane Bohanon | U.S. House | TN | Republican | 1 |
| Patrick Bohan | U.S. House | CO | Libertarian | 1 |
| John Richard Bohlin | U.S. House | TX | Republican | 1 |
| Rachel Bohman | U.S. House | MN | DFL | 1 |
| Jensen Bohren | U.S. Senate | MS | Democratic | 1 |
| Court Boice | U.S. House | OR | Republican | 1 |
| Theresa Boisseau | U.S. House | TX | Democratic | 1 |
| Adam Bola?Os Scow | U.S. House | CA | Democratic | 1 |
| Rashad Armon Bolden | President | US | Republican | 1 |
| Donald C. Bolduc | U.S. Senate | NH | Republican | 2 |
| Donald Patrick Bolena Jr. | U.S. House | GA | Republican | 1 |
| Denyc Boles | U.S. House | OR | Republican | 1 |
| Sky Boles | President | US | Independent | 1 |
| Susan Bolhafner | U.S. House | MO | Democratic | 1 |
| Larry Lee Scott Bolinger | U.S. House | NE | Republican | 1 |
| Michael R. Bollentin | U.S. House | NJ | OTH | 1 |
| Barbara Bollier | U.S. Senate | KS | Democratic | 1 |
| Jason Bollinger | U.S. Senate | OK | Democratic | 1 |
| Shane Bolling | U.S. House | CO | Republican | 1 |
| Jason Timothy Bolyard | President | US | Independent | 1 |
| Kate Bolz | U.S. House | NE | Democratic | 1 |
| Articia Bomer | U.S. House | MI | Republican | 3 |
| Suzanne Bonamici | U.S. House | OR | Democratic | 1 |
| Chance Bonaventura | U.S. House | NV | Republican | 1 |
| Paul L. Bondar | U.S. House | OK | Republican | 1 |
| Christopher S. Bond | U.S. Senate | MO | Republican | 1 |
| Michelle Bond | U.S. House | NY | Republican | 1 |
| Steven R. Bond | U.S. House | HI | Republican | 1 |
| Kyle Bone | U.S. House | MO | Republican | 1 |
| Jeremy Scott Bonham | President | US | IDP | 1 |
| Jered Gavin Bonneau | U.S. House | WA | Republican | 1 |
| Jay Alan Bonner | U.S. House | FL | NNE | 1 |