| Erik Aadland | U.S. House | CO | Republican | 2 |
| Tim Aalders | U.S. House | UT | Republican | 1 |
| Timothy Noel Aalders | U.S. Senate | UT | CON | 1 |
| Bangar Reddy Aaloori | U.S. House | TX | Republican | 1 |
| Adam Aarons | U.S. House | FL | Democratic | 1 |
| Andrew J. Aasen | U.S. House | OR | NON | 1 |
| Shervin Aazami | U.S. House | CA | Democratic | 1 |
| Jill Abahsain | U.S. House | MN | DFL | 1 |
| Rebecca Gail Abair | President | US | Republican | 2 |
| Rebecca Gail Phd Abair | President | US | Republican | 2 |
| Dave Abbitt | U.S. House | CA | Democratic | 1 |
| Deedra Abboud | U.S. Senate | AZ | Democratic | 1 |
| Unit89487 Abdallah | U.S. House | VA | W | 1 |
| Rana Abdelhamid | U.S. House | NY | Democratic | 1 |
| Shukri Abdullahi Abdirahman | U.S. House | MN | Republican | 1 |
| Sam Abed | U.S. House | CA | Republican | 1 |
| Kevin Abel | U.S. House | GA | Democratic | 1 |
| Jason L. Abelove | U.S. House | NY | Democratic | 1 |
| William Abel | U.S. House | TX | Republican | 1 |
| Isaiah Abenchuchan | U.S. House | FL | Democratic | 1 |
| Tiffany Abentroth | U.S. House | ND | Republican | 1 |
| Kent Abernathy | U.S. House | IN | Republican | 1 |
| Zerqa Abid | U.S. House | OH | Democratic | 1 |
| Alexander Abittan | President | US | Democratic | 1 |
| Marvin L. Abney | U.S. House | RI | Democratic | 1 |
| Maryam Abolfazli | U.S. House | TN | Democratic | 1 |
| Rock Adel Aboujaoude Jr. | U.S. House | FL | Democratic | 1 |
| Zero, None of the Above | President | US | W | 1 |
| Ralph Lee Abraham Jr. | U.S. House | LA | Republican | 1 |
| Shelly John Abraham | U.S. House | GA | Democratic | 1 |
| Terrance Abraham | President | US | Independent | 1 |
| Terrance Morkeech Abraham | President | US | Independent | 1 |
| Justin Abrams | President | US | APF | 1 |
| Marcia Karen Phd Abrams | U.S. Senate | NC | Republican | 1 |
| Max Abramson | President | US | VET | 1 |
| Max Abramson | U.S. House | NH | Republican | 1 |
| Matthew M. Abraugh | President | US | NON | 1 |
| Jose Miguel Abreu de la Cruz F | U.S. House | NY | Republican | 1 |
| Michael A Brown | U.S. House | DC | Independent | 1 |
| Rosalinda Ramos Abuabara | U.S. House | TX | Democratic | 1 |
| Edward Abud | U.S. Senate | FL | Democratic | 1 |
| Victor Abundis | U.S. House | MO | Democratic | 1 |
| George Assad Abuzeid | U.S. House | SC | Republican | 1 |
| Julian Marc Acciard | U.S. House | NH | Republican | 1 |
| Luis Acevedo-Arreguin | U.S. House | CA | Democratic | 1 |
| Anibal Acevedo-Vila | U.S. House | PR | Democratic | 1 |
| Jack Joseph Achenbach | U.S. House | FL | Democratic | 1 |
| Phelan Douglas Acheson | U.S. House | UT | Independent | 1 |
| Carl H. Achille | U.S. House | NY | Democratic | 1 |
| Brandon W. Acker | President | US | Democratic | 1 |
| Brandon W. Acker | U.S. House | NC | Democratic | 1 |
| Michael Stephan Ackerman | U.S. House | NC | Republican | 1 |
| Patricia Geraldene Ackerman | U.S. House | NV | Democratic | 1 |
| Ryan Acker | President | US | NON | 1 |
| Christian F. Acosta | U.S. House | FL | Republican | 1 |
| Frank Acosta | U.S. House | MI | Republican | 1 |
| Elizabeth Adadi | U.S. House | FL | Republican | 1 |
| John Douglas Adair | U.S. House | MO | Republican | 1 |
| Stanley E. Adair | U.S. Senate | AL | Republican | 1 |
| Zoilo Adalia | President | US | DGR | 1 |
| Selma M. Adamczyk | President | US | Independent | 1 |
| Alma Shealey Adams | U.S. House | NC | Democratic | 1 |
| Boyce Adams | U.S. House | MS | Republican | 1 |
| Brian Adams | U.S. House | UT | Democratic | 1 |
| Denise Darcel Adams | U.S. House | NC | Democratic | 1 |
| Desmund Douglas Adams | U.S. House | IA | Democratic | 1 |
| Dion Adams | U.S. House | MI | Democratic | 1 |
| Donald R. Adams | U.S. Senate | CA | Republican | 1 |
| Rachel Azell Adams Edwards | President | US | OTH | 1 |
| Elliott Adams | U.S. Senate | KS | Democratic | 1 |
| Emily Rose Adams | President | US | Democratic | 1 |
| Jane Adams | U.S. House | NV | Republican | 1 |
| Jennifer Adams | U.S. House | FL | Democratic | 1 |
| Kirk David Adams | U.S. House | AZ | Republican | 1 |
| Matt Adams | U.S. House | TN | Democratic | 1 |
| Samuel Everett Adams | U.S. House | FL | Libertarian | 1 |
| Scott Cecil Adams | U.S. House | MI | UST | 1 |
| Sheryl Adams | U.S. House | CA | Republican | 1 |
| (Leila)Shukri Bashir Adan | U.S. House | MN | DFL | 1 |
| Elijah Nathaniel Adcox | U.S. House | TN | Republican | 1 |
| Jacob Tay Addington | U.S. House | NY | Democratic | 1 |
| Michael Antonio Addison | U.S. House | SC | Democratic | 1 |
| Frank J. Addivinola Jr. | U.S. Senate | MA | Republican | 1 |
| Deborah Adeimy | U.S. House | FL | Republican | 1 |
| Folasade Adeluola | U.S. Senate | VT | Democratic | 1 |
| Robert B. Aderholt | U.S. House | AL | Republican | 1 |
| Vanessa Michelle Adia | U.S. House | TX | Democratic | 1 |
| Amanda Adkins | U.S. House | KS | Republican | 3 |
| Gary Gene Adkins | U.S. Senate | VA | Republican | 1 |
| Gary Gene Adkins | U.S. House | VA | Republican | 1 |
| Jay Adkins | U.S. House | TN | Republican | 1 |
| Gary Adler | U.S. House | FL | Republican | 1 |
| Ahmad Adnan | U.S. House | TX | Republican | 1 |
| Kiley Adolph | U.S. House | IN | Democratic | 1 |
| Esther Caroline Aebi | President | US | Democratic | 1 |
| Lynn Afendoulis | U.S. House | MI | Republican | 1 |
| Quinci Africacana | President | US | Republican | 1 |
| Joseph Edward Afzal | U.S. House | NV | Democratic | 1 |
| Khurram Afzal | President | US | Democratic | 1 |
| Jeffrey John Agan Jr. | U.S. House | OH | Democratic | 1 |
| Akinyemi Agbede | U.S. Senate | CA | Democratic | 1 |
| Eric Agnew | U.S. House | WA | Independent | 1 |
| Komi L.T Agoda-Koussema | U.S. House | NY | Democratic | 1 |
| Roland Kwadwo Dela Agorkle | President | US | Democratic | 1 |
| Roland Kwadwo Dela Agorkle | President | US | Democratic | 1 |
| John Agra | U.S. House | AZ | Republican | 1 |
| Pedro Antonio Aguero Jr. Jr. | U.S. House | TX | Republican | 1 |
| Michael Aguiar | President | US | Democratic | 2 |
| Erick Javier Aguilar | U.S. House | FL | Republican | 3 |
| Pete Aguilar | U.S. House | CA | Democratic | 2 |
| Ylenia Aguilar | U.S. House | AZ | Democratic | 1 |
| Justin Aguilera | U.S. House | CA | Republican | 1 |
| Juan Enrique Aguirre | U.S. House | IL | Democratic | 1 |
| Burak Agun | U.S. Senate | IL | Republican | 1 |
| Pervez S. Agwan | U.S. House | TX | Democratic | 1 |
| Dan Ahlers | U.S. Senate | SD | Democratic | 1 |
| Mahnoor Ahmad | U.S. House | IL | Democratic | 1 |
| Junaid Ahmed | U.S. House | IL | Democratic | 1 |
| Kaisar Ahmed | U.S. House | CA | Democratic | 1 |
| Robert Lee Ahn | U.S. House | CA | Democratic | 1 |
| Shinae Ahn | President | US | Democratic | 1 |
| Richard James Ahrens Jr. | U.S. House | NC | Republican | 1 |
| Christopher Ahuja | U.S. House | CA | Democratic | 1 |
| Clayton Clay Aiken | U.S. House | NC | Democratic | 1 |
| Curtis Morris Aiken III | U.S. House | DE | Democratic | 1 |
| William Aiken | U.S. House | NC | Republican | 1 |
| Brian Kevin Ainsworth | U.S. Senate | CA | Republican | 1 |
| Joseph S. Akana | U.S. House | HI | Republican | 1 |
| Bikerbob Akers | President | US | Independent | 1 |
| Robert Gale Akers | President | US | W | 1 |
| Fahad Akhtar | U.S. House | NJ | OTH | 1 |
| Kemi Akindude | U.S. House | NY | W | 1 |
| William Alan Akins | U.S. House | FL | Republican | 1 |
| Johnny Alan Akzam | U.S. House | MN | DFL | 1 |
| Sami Al-Abdrabbuh | U.S. House | OR | Democratic | 1 |
| David M. Alameel | U.S. Senate | TX | Democratic | 1 |
| MD Rabbi Alam | U.S. Senate | MO | Democratic | 1 |
| Mohammed Jahangir Alam | U.S. House | NY | Democratic | 1 |
| Dalia Al-Aqidi | U.S. House | MN | Republican | 1 |
| Dalia Al-Aqidi | U.S. House | MN | Republican | 2 |
| John Albers | President | US | NNE | 1 |
| Sarah Elaine Albertson-Corkery | U.S. House | IA | Democratic | 1 |
| Ed Albertson | U.S. House | OH | Democratic | 1 |
| Juan Carlos Albors | U.S. House | PR | UN | 1 |
| Devinche Albritton | President | US | Democratic | 1 |
| Gregory Albritton | U.S. House | AL | Republican | 1 |
| Catherine Albro | U.S. House | MI | Democratic | 1 |
| Natasha Alcala | U.S. Senate | ME | Democratic | 1 |
| Carlos Antonio Alcantara | President | US | NNE | 1 |
| Christopher Manuel Alcantara | U.S. House | FL | Republican | 2 |
| Peter David Alcorn | U.S. House | AL | Republican | 1 |
| Rafael Alcoser III | U.S. House | TX | Democratic | 1 |
| Sergio Josephus Alcubilla III | U.S. House | HI | Democratic | 1 |
| Marion Latroy Aleaandria-Williams | President | US | Democratic | 2 |
| Julian Michael Aleman | President | US | NNE | 1 |
| Ted Alemayhu | U.S. House | CA | OTH | 1 |
| Lamar Alexander | U.S. Senate | TN | Republican | 1 |
| Myrtle Patricia Alexander | U.S. House | DC | Republican | 1 |
| Sam Alexander | U.S. House | MO | Republican | 1 |
| Sophia Josephine 8506376927 Alexander | U.S. House | CA | Independent | 1 |
| Timothy C. Alexander | U.S. House | NJ | Democratic | 2 |
| Victoria N. Alexander | U.S. House | NY | Libertarian | 1 |
| Joseph Alfonso | U.S. House | MI | Democratic | 1 |
| Mark Alford | U.S. House | MO | Republican | 1 |
| Addul Rahman El Ali | U.S. House | NC | Republican | 1 |
| Adebisi Ali | President | US | IDP | 1 |
| Ali Chehem Ali | U.S. Senate | MN | Democratic | 1 |
| Mark Anthony Ali | U.S. House | SC | Democratic | 1 |
| Franz Aliquo | President | US | Democratic | 1 |
| Amani Al-Khatahtbeh | U.S. House | NJ | Democratic | 1 |
| Nida Allam | U.S. House | NC | Democratic | 1 |
| Tyler Allcorn | U.S. House | CO | Republican | 1 |
| Anders Pope Allen | U.S. House | AL | Republican | 1 |
| Bill Allen | U.S. House | IN | Republican | 1 |
| Brad Allen | U.S. House | CA | Republican | 1 |
| Brian Allen | U.S. House | PA | Republican | 1 |
| Corey Allen | U.S. House | IL | Republican | 1 |
| Darcie Allen | President | US | Independent | 1 |
| Dennis Joshua Allen | President | US | IAP | 1 |
| Gary Allen | U.S. House | TX | Republican | 1 |
| Graham Allen | U.S. House | SC | Republican | 1 |
| Jack Burks Allen Jr. | U.S. House | TN | Democratic | 1 |
| Jason Edward Allen | U.S. House | MI | Republican | 1 |
| Jay Thomas Allen | U.S. House | ME | Republican | 1 |
| Kathry Allen | U.S. House | UT | Democratic | 1 |
| Keith Allen | U.S. Senate | TX | Republican | 1 |
| Michael Allen | U.S. House | TX | Democratic | 1 |
| Natalia Isabel Allen | U.S. House | FL | Democratic | 1 |
| Pogo Mochello Allen-Reese | President | US | Republican | 1 |
| Richard W. Allen | U.S. House | GA | Republican | 1 |
| Robert Allen | U.S. Senate | MO | Republican | 1 |
| Steven McIntire Allen | President | US | Republican | 1 |
| Thomas Jason Allen | U.S. House | SC | Republican | 1 |
| Gregory Benjamin Aller | U.S. House | OR | Democratic | 1 |
| Helen Alli | U.S. House | VA | OTH | 1 |
| Roger Allison | U.S. House | NC | Republican | 1 |
| Tammy Allison | U.S. House | MD | Democratic | 1 |
| Colin Allred | U.S. House | TX | Democratic | 1 |
| Colin Allred | U.S. Senate | TX | Democratic | 1 |
| Valbrun Almonord | U.S. House | GA | Democratic | 3 |