| Kilbane, Mark | U.S. House | NH | Republican | 2 |
| Kilbourn, Kyle | U.S. House | WI | Democratic | 1 |
| Kilboy, Matthew | U.S. House | OH | Democratic | 1 |
| Kilbride, Eugene | U.S. House | CA | Republican | 1 |
| Kilby, Clifton Julius Mr. III | U.S. Senate | GA | Independent | 1 |
| Kildee, Daniel T. | U.S. House | MI | Democratic | 1 |
| Kiley, Dan | U.S. Senate | OH | Republican | 1 |
| Kiley, Kevin | U.S. House | CA | Republican | 3 |
| Kiley, Susan M | U.S. House | NJ | Republican | 1 |
| Kilgore, Daniel McArthur Mr. | U.S. House | OH | Democratic | 2 |
| Killmeyer, Jason | U.S. House | PA | Republican | 1 |
| Kilmer, Derek | U.S. House | WA | Democratic | 1 |
| Kilpatrick, Heather | U.S. House | GA | Democratic | 1 |
| Kim, Andy | U.S. House | NJ | Democratic | 1 |
| Kim, Andy | U.S. Senate | NJ | Democratic | 1 |
| Kimaz, Nicolas T Mr. | U.S. House | FL | Republican | 1 |
| Kimbrell, Joshua Brett | U.S. House | SC | Republican | 1 |
| Kimbrough, Edward Wayne | U.S. Senate | TX | Democratic | 1 |
| Kimbrough, Edward Wayne Mr. | President | US | Democratic | 1 |
| Kimbrough, Robin | U.S. Senate | TN | Democratic | 1 |
| Kim, Bryan | U.S. House | CA | NOP | 1 |
| Kim, Charles | U.S. House | IL | Republican | 1 |
| Kim, David | U.S. House | GA | Democratic | 1 |
| Kim, David | U.S. House | CA | Democratic | 1 |
| Kim, David | U.S. House | CA | Democratic | 1 |
| Kim, David Yung Ho | U.S. House | CA | Democratic | 1 |
| Kim, Donna Mercado | U.S. House | HI | Democratic | 1 |
| Kim, Elizabeth | U.S. House | NY | Democratic | 1 |
| Kim, Heerak Christian | U.S. House | VA | NPA | 1 |
| Kim, Jason Changkyu | President | US | Republican | 1 |
| Kim, Pearl | U.S. House | PA | Republican | 1 |
| Kim, Ronald Joseph Mr. | U.S. House | NY | Democratic | 1 |
| Kim, Sery Ms. | U.S. House | TX | Republican | 1 |
| Kim, Young | U.S. House | CA | Republican | 2 |
| Kincade, Rose | President | US | OTH | 1 |
| Kind, Ronald James | U.S. House | WI | Democratic | 1 |
| King, Adam Joshua | U.S. House | IL | Democratic | 1 |
| King, Angus S. Jr. | U.S. Senate | ME | Independent | 1 |
| King, Bob | U.S. House | TX | Libertarian | 1 |
| King, Esther Joy | U.S. House | IL | Republican | 3 |
| King-Hinds, Kimberlyn Kay | U.S. House | MP | Republican | 1 |
| King, Jessica | U.S. House | PA | Democratic | 1 |
| King, Jessica Jeane Ms | U.S. House | WI | Democratic | 1 |
| King, Joseph Wayne Mr. II | U.S. House | NC | Republican | 1 |
| King, Kelvin | U.S. Senate | GA | Republican | 1 |
| King, Paul | U.S. House | NY | Republican | 2 |
| King, Pete | U.S. House | NY | Republican | 1 |
| King, Steve Mr. | U.S. House | IA | Republican | 1 |
| Kingston, John H Sr Rep | U.S. Senate | GA | Republican | 1 |
| Kingston, John Mr | U.S. Senate | MA | Republican | 1 |
| King, Troy | U.S. House | AL | Republican | 1 |
| King, William | U.S. House | FL | Republican | 1 |
| King, Zoey Maria | U.S. Senate | VA | Democratic | 1 |
| Kinniebrew, Royce Mr | U.S. House | MI | Democratic | 1 |
| Kinniebrew, Royce Mr | U.S. House | MI | Democratic | 1 |
| Kinsey, Craig Robert | U.S. House | NC | Republican | 1 |
| Kinsey, Rachel | U.S. House | GA | Democratic | 1 |
| Kinzinger, Adam | U.S. House | IL | Republican | 1 |
| Kinzler, Gordon J | U.S. House | IL | Republican | 1 |
| Kipnis, Daryl | U.S. House | NJ | Republican | 1 |
| Kipuke, Omba | U.S. House | CA | Democratic | 1 |
| Kipuke, Omba | U.S. House | CA | Republican | 1 |
| Kirby, Robert W | U.S. Senate | WA | Democratic | 1 |
| Kirkham, Sheldon | U.S. House | UT | Democratic | 1 |
| Kirkland, Kyle R | U.S. House | CA | Republican | 1 |
| Kirkland, Thaddeus | U.S. House | PA | Democratic | 1 |
| Kirkmeyer, Barbara | U.S. House | CO | Republican | 3 |
| Kirkpatrick, Ann | U.S. House | AZ | Democratic | 1 |
| Kirkpatrick, Ryan P | President | US | Democratic | 1 |
| Kishineff, Jason | U.S. House | CA | Green | 3 |
| Kistner, Tyler | U.S. House | MN | Republican | 3 |
| Kitchel, Mack | President | US | SLP | 1 |
| Kitts, Derek Wayne | U.S. House | VA | Democratic | 1 |
| Kizik, Ellen (Elle) | U.S. House | IN | W | 1 |
| Kizik, Ellen Ms. | U.S. Senate | IN | NON | 1 |
| Kjornes, Donald | President | US | Republican | 1 |
| Klacik, Kimberly | U.S. House | MD | Republican | 1 |
| Klacik, Kimberly | U.S. House | MD | Republican | 1 |
| Klarides, Themis | U.S. Senate | CT | Republican | 1 |
| Klayman, Larry | U.S. Senate | FL | Republican | 1 |
| Klee Hood, Sarah | U.S. House | NY | Democratic | 1 |
| Kleinhendler, Howard | U.S. House | NJ | Democratic | 1 |
| Klein, John James | President | US | Republican | 1 |
| Klein, John James | President | US | Republican | 2 |
| Kleinman, Les Mr | President | US | W | 1 |
| Kleinman, Nathan I | U.S. House | NJ | Democratic | 1 |
| Kleinmann, Matthew Ryan | U.S. House | KS | Democratic | 1 |
| Kleinman, Pablo | U.S. House | CA | Republican | 1 |
| Klein, Stacey | U.S. Senate | WI | Republican | 1 |
| Klepinger, Robert P | U.S. House | OH | Democratic | 1 |
| Kleski, Phillip Bryan | President | US | Democratic | 1 |
| Kline, Danner | U.S. House | AL | Democratic | 1 |
| Kline, Patricia | U.S. House | NJ | Independent | 1 |
| Klingenberg, Robert Joseph | U.S. Senate | KS | Democratic | 1 |
| Klippert, Bradley | U.S. House | WA | Republican | 1 |
| Klobuchar, Amy | U.S. Senate | MN | DFL | 4 |
| Klobuchar, Amy J. | President | US | Democratic | 1 |
| Klopf, Ross | U.S. House | CO | Libertarian | 1 |
| Klosowski, Jimmy | U.S. House | IN | Republican | 1 |
| Klotzbuecher, David Richard Mr | President | US | Independent | 1 |
| Kluesner, Jeremy J | President | US | Republican | 1 |
| Klussmann, Duncan Foster | U.S. House | TX | Democratic | 1 |
| Klutts, Roxann M. | U.S. House | OK | Democratic | 2 |
| Knaggs, Andrew Ferrieres | U.S. House | VA | Republican | 1 |
| Knapp, Everett Denton Jr | U.S. House | WY | Republican | 1 |
| Knapp, Mary | U.S. Senate | VA | Independent | 1 |
| Kneip, Kody Allen | President | US | Republican | 1 |
| Knezek, Erick | U.S. House | LA | Republican | 1 |
| Knezevich, Michael Steven | U.S. House | FL | NPA | 1 |
| Knight, Chad | President | US | Independent | 1 |
| Knight, Dan Edward Pres. Sr. | President | US | OTH | 2 |
| Knight, David Mr. | U.S. House | CA | Republican | 1 |
| Knights, Matthew Baldwin | U.S. Senate | SC | Democratic | 1 |
| Knight, Steve | U.S. House | CA | Republican | 2 |
| Knight, Will | U.S. House | OH | Democratic | 1 |
| Knoblock, Steven Craig | U.S. House | CA | Republican | 1 |
| Knoles, Michael | U.S. Senate | MT | Democratic | 1 |
| Knott, Brad | U.S. House | NC | Republican | 1 |
| Knott, Greg S | U.S. House | IN | Libertarian | 1 |
| Knowlton, Diane Elise | U.S. House | TX | Republican | 1 |
| Knox, James | U.S. Senate | GA | Democratic | 1 |
| Knudsen, Brett | U.S. House | WI | Democratic | 1 |
| Knupp, Paul Rev. Dr. Jr. | U.S. House | IA | Green | 1 |
| Knutson, Kip | U.S. House | IL | Democratic | 1 |
| Kobach, Kris | U.S. Senate | KS | Republican | 1 |
| Koble, Clint Matthew Mr. | U.S. House | NV | Democratic | 1 |
| Kocen, Stephen Martin | U.S. House | TX | Democratic | 1 |
| Kocina, Kevin | U.S. House | MN | Republican | 1 |
| Koeppel, Nykkole Janelle | President | US | Republican | 1 |
| Koh, Daniel Arrigg | U.S. House | MA | Democratic | 1 |
| Kohl, Dan | U.S. House | WI | Democratic | 1 |
| Kohler, Brad J Mr | U.S. House | MN | Republican | 1 |
| Kohler, Nevin | U.S. House | AZ | Democratic | 1 |
| Kohne, Steven Chase Dr. | U.S. House | CO | Democratic | 1 |
| Kokesh, Adam | President | US | Libertarian | 1 |
| Kokinadis, Brett | U.S. House | NM | Republican | 1 |
| Kolanagireddy, Hima | U.S. House | MI | Republican | 1 |
| Kolb, Brian M | U.S. House | NY | Republican | 1 |
| Koller, Marc W | U.S. House | OR | Independent | 1 |
| Kolodziej, Karen | U.S. House | IL | Republican | 1 |
| Kombo, Danielle | U.S. Senate | CO | Democratic | 1 |
| Konczal, Kevin | U.S. House | AZ | Republican | 1 |
| Koolidge, Michael | U.S. House | IL | Republican | 1 |
| Koons, Lonny | U.S. House | NY | Republican | 1 |
| Kopitke, Kyle Kenley | President | US | Independent | 1 |
| Koppelman, Kim A | U.S. House | ND | Republican | 1 |
| Koppie, Chad | U.S. House | IL | Republican | 2 |
| Koprowski, Gene Rev. | U.S. House | IL | Republican | 1 |
| Kopsaftis, Peter | U.S. House | IL | Republican | 1 |
| Kopser, Joseph | U.S. House | TX | Democratic | 1 |
| Korka, Stephen | U.S. House | FL | Democratic | 1 |
| Korn, Brian | President | US | W | 1 |
| Koslow, Michael | U.S. House | CA | Republican | 1 |
| Kostenko, Brian Olav | U.S. House | WA | Democratic | 1 |
| Kostreba, Sydia | President | US | AIP | 1 |
| Kotick, Michael | U.S. House | CA | Democratic | 1 |
| Ko, Tim | U.S. House | NY | Republican | 1 |
| Koury, Jake Marius Mr | U.S. House | MN | UN | 1 |
| Kouzounas, Demi | U.S. Senate | ME | Republican | 1 |
| Kovach, Janice | U.S. House | NJ | Democratic | 1 |
| Kovach, Zach | U.S. House | SD | Democratic | 1 |
| Kovacs, Charles Mr | President | US | NNE | 1 |
| Kovacs, John | U.S. House | NV | Republican | 1 |
| Kovacs, William Richard | U.S. House | AZ | Democratic | 1 |
| Kovaka, Brian David | U.S. House | IL | Republican | 1 |
| Kovic, Robert D. | U.S. House | NJ | Republican | 1 |
| Kowal, Daniel | U.S. House | FL | Republican | 1 |
| Kowalski, Arron | U.S. House | NE | Republican | 1 |
| Kozicki, Zigmond A | U.S. House | MI | Democratic | 1 |
| Kozlowski, Benjamin Peter | President | US | Democratic | 1 |
| Kraftchak, David Edmund Mr. Jr | U.S. House | KY | Republican | 1 |
| Kraft, Ryan | President | US | Democratic | 1 |
| Kraft, Ryan Olivier Christian | U.S. House | OR | Democratic | 1 |
| Kraft, Vicki Caldwell | U.S. House | WA | Republican | 1 |
| Kramer, Anna Cheng | U.S. House | CA | Republican | 1 |
| Kramer, Timothy D | U.S. House | PA | Republican | 1 |
| Krantz, Catherine | U.S. House | TX | Democratic | 1 |
| Krause, E M | U.S. House | NV | Democratic | 1 |
| Krause, Ryan Patrick | U.S. House | TX | Republican | 1 |
| Krause, Ryan Patrick | U.S. House | TX | Republican | 1 |
| Kraus, Steven Wayne | U.S. House | OH | Republican | 1 |
| Kraus, Steven Wayne Mr. | U.S. House | OH | Republican | 1 |
| Kraut, Charles William | President | US | CON | 1 |
| Krautter, Joel | U.S. House | MT | Republican | 1 |
| Krawiecki, Robert J | U.S. Senate | CT | Republican | 1 |
| Krebaum, William B | U.S. House | MI | Libertarian | 1 |
| Krebaum, William B | U.S. House | MI | Libertarian | 1 |
| Krebs, Shantel | U.S. House | SD | Republican | 1 |
| Kreegel, Paige Vanier | U.S. House | FL | Republican | 1 |
| Kregler, William | U.S. House | NY | Republican | 1 |
| Kreibich, Arati | U.S. House | NJ | Democratic | 1 |
| Kreiselmaier, Elizabeth | U.S. House | WA | Republican | 1 |
| Kremer, Amy | U.S. House | GA | Republican | 1 |
| Kress, Conrad | U.S. House | HI | Republican | 1 |
| Krichevsky MD Msph, Rita Anna-Maria | President | US | Democratic | 1 |
| Krichevsky, Rita Anna-Maria | President | US | Democratic | 1 |
| Kriesel, Katelyn | U.S. House | NY | Democratic | 1 |
| Kripchak, Michael Lawrence | U.S. House | OH | Democratic | 1 |
| Krishnamoorthi, S. Raja | U.S. House | IL | Democratic | 1 |
| Kroemer, Kurt | U.S. House | AZ | Democratic | 1 |