| Carmen Ku'Uleialoha Prince Ka'Ana'Ana | President | US | Independent | 1 |
| Ronald P. Kabat | U.S. House | CA | NPA | 1 |
| Mohammad Shahjahan Kabir | U.S. Senate | NJ | Democratic | 2 |
| Mohammad Shahjahan Kabir | U.S. House | NJ | Democratic | 2 |
| Mohammad S. Kabir | President | US | W | 1 |
| Omar Kadir | U.S. House | TX | Democratic | 1 |
| Ralph Kaehler | U.S. House | MN | Democratic | 1 |
| Scott James Kafka | President | US | NNE | 1 |
| Kaiali'I Kahele | U.S. House | HI | Democratic | 1 |
| Kevin Kahn | U.S. House | OH | Libertarian | 1 |
| Kevin Kahn | U.S. Senate | NH | Libertarian | 1 |
| Lynn Sandra Kahn | U.S. House | NY | Green | 1 |
| Paula Kahn | U.S. House | CA | Democratic | 1 |
| Jeff Kahrs | U.S. House | KS | Republican | 1 |
| Evan Berman Kail | U.S. House | MN | DFL | 2 |
| Jon Kaiman | U.S. House | NY | Democratic | 1 |
| Timothy Michael Kaine | U.S. Senate | VA | Democratic | 1 |
| Adrian Kaiser | U.S. House | TX | Republican | 1 |
| Gavin Kaiser | U.S. House | NM | Democratic | 1 |
| Michael J. Kalagias | U.S. House | AR | Libertarian | 1 |
| Ryan Michael Kalata | U.S. House | NY | Independent | 1 |
| Andrea Doria Kale | U.S. House | FL | Democratic | 1 |
| Timothy Charles Kalemkarian | President | US | Republican | 4 |
| Timothy Charles Kalemkarian | U.S. Senate | CA | Republican | 1 |
| Andrew Kalloch | U.S. House | OR | Democratic | 1 |
| Jean-Paul Kalonji | U.S. House | IN | Democratic | 1 |
| Uloma S. Kama | U.S. House | GA | Democratic | 1 |
| Sydney Kamlager | U.S. House | CA | Democratic | 1 |
| Jason Kander | U.S. Senate | MO | Democratic | 1 |
| Peggy Kandies | U.S. Senate | SC | Independent | 1 |
| Caroline Kane | U.S. House | TX | Republican | 1 |
| Elise Hatsuko Kaneshiro | U.S. House | HI | Republican | 1 |
| Tim Kane | U.S. House | OH | Republican | 1 |
| Justin Kanew | U.S. House | TN | Democratic | 1 |
| Jolian Kangas | U.S. House | CA | NOP | 1 |
| Paul Kangas | President | US | Democratic | 1 |
| Anna Kaplan | U.S. House | NY | Democratic | 1 |
| Glenn Kaplan | U.S. House | CA | NPA | 1 |
| Bobby Kaple | U.S. House | GA | Democratic | 1 |
| Marcy Kaptur | U.S. House | OH | Democratic | 1 |
| David Aaron Karaffa | President | US | Independent | 1 |
| Quinci Preston Kardashian | President | US | Republican | 1 |
| Zahra S. Karinshak | U.S. House | GA | Democratic | 1 |
| Jonathan Karlen | U.S. House | MO | Democratic | 1 |
| George A. Karpacs | U.S. House | PA | Republican | 1 |
| David M. Karpas | U.S. House | CO | Republican | 2 |
| Ronald Karpus III | U.S. House | OH | Democratic | 1 |
| Gregory Blane Karr | U.S. House | SC | Democratic | 1 |
| Heidi Kasama | U.S. House | NV | Republican | 1 |
| Meshal 'Kash' Kashifalghita | U.S. House | CA | Democratic | 1 |
| John R. Kasich | President | US | Republican | 1 |
| Ana Kasparian | U.S. Senate | AR | PRO | 1 |
| Scott Richard Kaspar | U.S. House | IL | Republican | 1 |
| Jason Seth Kassel | U.S. House | CA | Democratic | 1 |
| Tiffany Lynn Kaszuba | U.S. House | NJ | Democratic | 1 |
| John M. Katko | U.S. House | NY | Republican | 1 |
| David M. Katz | U.S. House | NY | Democratic | 1 |
| Jessica Katzenmeyer | U.S. House | WI | Democratic | 1 |
| Michael Katz | President | US | Democratic | 1 |
| Mike Katz | U.S. Senate | DE | Independent | 1 |
| Sarah Katz | U.S. House | CA | Democratic | 1 |
| Jacob Kaufer | President | US | OTH | 1 |
| Jeremy Kauffman | U.S. Senate | NH | Libertarian | 1 |
| Joseph "Joe" Kaufman | U.S. House | FL | Republican | 1 |
| Joseph Joe Kaufman | U.S. House | FL | Republican | 1 |
| Krystle Kaul | U.S. House | VA | Democratic | 1 |
| Navjot Pal Kaur | U.S. House | NY | Democratic | 1 |
| Dominick Kavanaugh | U.S. House | IN | Republican | 1 |
| Tom Kawczynski | President | US | Republican | 1 |
| James Keady | U.S. House | NJ | Democratic | 2 |
| James Keady | U.S. House | NJ | Democratic | 1 |
| Thomas H. Kean Jr. | U.S. Senate | NJ | Republican | 1 |
| Thomas H. Kean Jr. | U.S. House | NJ | Republican | 4 |
| William Richard Keating | U.S. House | MA | Democratic | 1 |
| Richard Keatley | U.S. House | GA | Democratic | 1 |
| Thomas J. Kedley | U.S. House | IA | Republican | 1 |
| Charles Clayton Keebaugh | U.S. House | FL | Republican | 1 |
| Mike Keeling | U.S. House | NJ | Democratic | 1 |
| Taylor Keeney | U.S. House | VA | Republican | 1 |
| Anita Marie Kegley | U.S. House | TX | Republican | 1 |
| Kent Keirsey | U.S. House | NC | Republican | 1 |
| Hans Keirstead | U.S. House | CA | Democratic | 1 |
| James Felton Keith | U.S. House | NY | Democratic | 1 |
| Pam Keith | U.S. House | FL | Democratic | 1 |
| Pamela M. Keith | U.S. House | FL | Democratic | 1 |
| Fepbrina Estrelvia Keivaulqe Autiameineire | U.S. Senate | CA | NNE | 1 |
| Fepbrina Estrelvia Keivaulqe Autiameineire | U.S. House | CA | OTH | 1 |
| Bryan Eugene Keller | U.S. House | WY | Republican | 2 |
| Chuck Keller | U.S. House | PA | Independent | 1 |
| Craig Keller | U.S. House | WA | Republican | 1 |
| Fred Keller | U.S. House | PA | Republican | 1 |
| Maura Keller | U.S. House | GA | Democratic | 1 |
| Scott Thomas 12/01/2015 Keller | U.S. House | MI | Republican | 1 |
| Brenden P. Kelley | U.S. House | OH | Democratic | 1 |
| Chris Kelley | U.S. House | MN | IDP | 1 |
| Joe Kelley | U.S. House | MD | Republican | 1 |
| Steven D. Kelley | President | US | NPA | 1 |
| George Kellogg | U.S. House | WI | FED | 1 |
| Brendan Kelly | U.S. House | IL | Democratic | 1 |
| Durand Todd Kelly | U.S. House | KY | Democratic | 1 |
| George J. Kelly Jr. | U.S. House | PA | Republican | 2 |
| Jacquelyn Odessa Kelly | U.S. House | TN | Democratic | 1 |
| Jeremy Kelly | U.S. House | FL | Republican | 1 |
| Jeremy 4798573999 Kelly | President | US | Republican | 2 |
| Jeremy J. Kelly | U.S. House | FL | Republican | 1 |
| Jewel William Kelly Jr. | U.S. Senate | MO | Democratic | 1 |
| John Trent Kelly | U.S. House | MS | Republican | 1 |
| Leonard Shawn Kelly | U.S. House | TX | Libertarian | 1 |
| Lloyd M. Kelly | U.S. House | LA | Democratic | 1 |
| Mark Kelly | U.S. Senate | AZ | Democratic | 1 |
| Nathan Douglas "Nathanael" Kelly | President | US | Republican | 1 |
| Patrick Daniel Kelly | U.S. Senate | MO | Democratic | 1 |
| Robin Kelly | U.S. House | IL | Democratic | 1 |
| Ron Kelly | U.S. House | CA | NNE | 1 |
| Steve Kelly | U.S. Senate | MT | Green | 1 |
| Timothy P. Kelly | U.S. House | MI | Republican | 1 |
| Brian Kelsey | U.S. House | TN | Republican | 1 |
| Rebecca Keltie | U.S. House | CO | UPA | 2 |
| Daniel Kemph | U.S. House | KY | Democratic | 1 |
| Patricia Kemp | U.S. House | FL | Democratic | 1 |
| Gregory Kempton | U.S. House | NV | Democratic | 1 |
| Amy Kennedy | U.S. House | NJ | Democratic | 1 |
| Angela Kennedy | U.S. House | CA | Democratic | 1 |
| Brynne Kennedy | U.S. House | CA | Democratic | 1 |
| Carrie R. Kennedy | U.S. House | WA | Republican | 1 |
| Christopher Kennedy | U.S. House | CO | Democratic | 1 |
| Cody Kennedy | President | US | Independent | 1 |
| David R. Kennedy | U.S. House | VA | Independent | 1 |
| James Kennedy | U.S. House | FL | Democratic | 1 |
| John Neely Kennedy | U.S. Senate | LA | Republican | 1 |
| John Perkins Kennedy | U.S. House | TN | Democratic | 1 |
| Joseph P. Kennedy II | U.S. House | MA | Democratic | 1 |
| Joseph P. Kennedy III | U.S. Senate | MA | Democratic | 2 |
| Kirsten Hagen Kennedy | U.S. House | MN | DFL | 1 |
| Kyle Kennedy | President | US | Republican | 1 |
| Mike Kennedy | U.S. House | UT | Republican | 1 |
| Mike Kennedy | U.S. Senate | UT | Republican | 1 |
| Raoul Kennedy | President | US | UNK | 1 |
| Richard Kennedy | U.S. House | TX | Democratic | 1 |
| Robert, F. Jr., Shanahan, Nicole Kennedy | President | US | Independent | 1 |
| Robert James Kennedy III | U.S. House | PA | Republican | 1 |
| Robert Kennedy Jr. | U.S. House | AL | Democratic | 1 |
| Ronda Kennedy | U.S. Senate | NV | Republican | 1 |
| Ronda Kennedy | U.S. House | CA | Republican | 1 |
| Sandra (Sandy) Denise Esq Kennedy | U.S. House | FL | Democratic | 1 |
| Timothy Kennedy | U.S. House | NY | Democratic | 1 |
| Zachary Heathcliff Kennemore | U.S. House | GA | Republican | 1 |
| Bruce John Kenneway | President | US | W | 1 |
| Charles Todd Kent | U.S. House | TX | Republican | 1 |
| David W. Kent | U.S. House | TN | Democratic | 1 |
| Joseph Kent | U.S. House | WA | Republican | 3 |
| Richard Allen Kent | U.S. Senate | IN | Independent | 1 |
| van Kent | President | US | Independent | 2 |
| Jon Michael Kenworthy | U.S. House | IN | Republican | 1 |
| Malcolm Kenyatta | U.S. Senate | PA | Democratic | 1 |
| Steve Keough | U.S. Senate | TX | Democratic | 1 |
| Stephen Joseph Kephart | U.S. House | IA | Republican | 1 |
| Jason Kergosien | U.S. House | TX | Republican | 1 |
| Aliena Jeanene Kern | U.S. House | MN | Republican | 1 |
| Anthony Kern | U.S. House | AZ | Republican | 1 |
| Anne Kerner | U.S. House | DE | Democratic | 1 |
| Gerald M. Kerner | U.S. House | MS | Democratic | 1 |
| Joseph Kerner | U.S. House | IA | Democratic | 1 |
| Dale Ronald Kerns Jr | U.S. Senate | PA | Libertarian | 1 |
| Stephen Kerrigan | U.S. House | MA | Democratic | 1 |
| Joseph Kerr | U.S. House | CA | Democratic | 1 |
| Michael Ernest Kerr | U.S. House | CA | Green | 2 |
| Michael Ernest Kerr | U.S. House | CA | Green | 2 |
| Paul Kerr | U.S. House | CA | Democratic | 1 |
| John F. Kerry | U.S. Senate | MA | Democratic | 1 |
| Alan L. Keyes | President | US | Independent | 1 |
| Reginald Fernando Keys | U.S. House | CA | UN | 1 |
| Haneefah Khaaliq | U.S. Senate | IN | Democratic | 1 |
| Mohamed T. Khairullah | U.S. House | NJ | Democratic | 1 |
| Akil Khalfani | U.S. House | NJ | Democratic | 1 |
| Alexandria Gloria Khalil | U.S. Senate | PA | Democratic | 1 |
| Christina Amira Khalil | U.S. Senate | NJ | Democratic | 1 |
| Peter Khalil | U.S. House | WA | Democratic | 1 |
| Aisha S. Khan | U.S. House | MD | Democratic | 1 |
| Badrun Khan | U.S. House | NY | Democratic | 1 |
| Gulrez Khan | U.S. House | TX | Republican | 1 |
| Imran Khan | U.S. House | TX | Democratic | 2 |
| Mumin Khan | U.S. House | CA | Democratic | 1 |
| Rohit Khanna | U.S. House | CA | Democratic | 1 |
| Saer Khan | U.S. House | TX | Libertarian | 1 |
| Alan Khazei | U.S. House | MA | Democratic | 1 |
| Moneer Kheireddine | U.S. House | FL | Republican | 1 |
| Ali Khorasani | U.S. House | TX | Democratic | 1 |
| Tonia Khouri | U.S. House | IL | Republican | 1 |
| Greg Kidd | U.S. House | NV | Independent | 1 |
| Larry Kidd | U.S. House | OH | Republican | 1 |
| Bre Mx Kidman | U.S. Senate | ME | Democratic | 1 |
| Stuart Lee Kiehl | President | US | Democratic | 1 |
| Gary Kiehne | U.S. House | AZ | Republican | 1 |
| John Kiehne | U.S. House | MO | Democratic | 1 |
| John Kiehne | U.S. House | MO | Democratic | 1 |
| Brian Kienitz | President | US | NPA | 1 |
| Luele Kifle | U.S. House | CA | 18 | 1 |
| Jennifer Kiggans | U.S. House | VA | Republican | 2 |
| Ruben Kihuen | U.S. House | NV | Democratic | 1 |