| Kirkmeyer Victory Committee | N | GA |
| Kirk Osborn for Congress | H | TX |
| Kirkpatrick for Congress | H | AZ |
| Kirsten Engel Victory Fund | N | AZ |
| Kirsten Engel Victory Fund | N | AZ |
| Kirsten Kennedy for Congress | H | MN |
| Kish Bank Political Action Committee | N | PA |
| Kishineff 2020 | H | CA |
| Kistner for Congress | H | MN |
| Kistner for Mn-02 | H | MD |
| Kistner for Mn-02 | H | MD |
| Kistner Victory Committee | N | WI |
| Kistner Victory Fund | N | DC |
| Kitchen Cabinet 2020 PAC | O | OH |
| Kitchen Table Conversations PAC | O | MN |
| Kitpac | Q | MO |
| Kiwi Conservation Fund | O | NC |
| K&K Delivery | P | NJ |
| Klein | P | OK |
| Klein Administration | P | ND |
| Klein for President of United States of America | P | ND |
| Kleinhendler for Congress | H | NJ |
| Kleinman for Congress | H | IN |
| Kleinmann for Congress | H | KS |
| K&L Gates LLP Political Action Committee (Dc) | Q | DC |
| Klippert for Congress | H | WA |
| Klobuchar for Minnesota | S | MN |
| Klutts4congress | H | CA |
| Klw Political Fund | O | LA |
| Kmpac | N | DC |
| Kmr Victory Fund | N | DC |
| Knaggs for Congress | H | VA |
| Knife River Corporation PAC | N | ND |
| Knight Health Holdings, LLC D/B/A Scionhealth PAC | N | KY |
| Knightsforussenatesc2020 | S | SC |
| Knights of Aloha | N | HI |
| Knights of N.C.P. | N | MD |
| Knight Victory Fund | N | CA |
| Knoblock for Congress | H | CA |
| Knock for Democracy | N | NY |
| Knockout PAC | O | DC |
| Knowledgeable Unyielding Leadership Experienced PAC (Kyle Pac) | N | WI |
| Knox County Republican Club | V | OH |
| Knudsen for Congress | H | WI |
| Knupp for Congress | H | IA |
| Knute for Congress | H | OR |
| Kobach for Senate | S | KS |
| Kocen for Congress | H | TX |
| Koch Industries INC. | I | KS |
| Koch Industries, INC. Political Action Committee (Kochpac) | Q | KS |
| Kocina for Congress | H | MN |
| Kody Kneip 2020 | P | TX |
| Ko for Congress | H | NY |
| Kohl for Congress | H | WI |
| Kohl Victory Fund | N | WI |
| Kokesh for Senate | S | MI |
| Kolb for Congress | H | NY |
| Komatsu Mining Corp. Political Action Committee | Q | WI |
| Kombo for Colorado | S | CO |
| Konczal for Congress | H | AZ |
| Koolidge for Congress | H | IL |
| Kopp, Daniel | I | IL |
| Koppelman for Congress | H | ND |
| Koppie for Congress | H | IL |
| Korean American Democratic Committee | N | CA |
| Korean Americans for Organizing Fund | N | DC |
| Korean Americans in Action Political Fund | V | VA |
| Korolova, Aleksandra | I | CA |
| Kory Haskins for Congress | H | SC |
| Kos Services LLC PAC | N | IL |
| Koushik Subramanian | H | IL |
| Kovacs Election Campaign | P | NJ |
| Kovacs for Congress | H | NV |
| Kovic for Congress, INC. | H | NJ |
| Kowal for Congress INC | H | FL |
| Kowalski for Congress | H | NE |
| Kpac | Q | TX |
| Kph Healthcare Services, INC. Political Action Committee | N | NY |
| Kpmg Partners/Principals and Employees PAC | Q | DC |
| Kratos Defense & Security Solutions, INC. Political Action Committee (Kratos Pac) | Q | DC |
| Kraus 4 Congress | H | OH |
| Kraus for Congress - Ohio 9th District | H | OH |
| Krawiecki4senate | S | CT |
| Krc in Action | I | CA |
| Krebaum for Congress | H | MI |
| Kreegel for Congress | H | FL |
| Kregler for Congress | H | NY |
| Krimson Barnes Booker Senate Victory Fund | N | DC |
| Krimson Political Action Council LLC | N | GA |
| Kris Fitzgerald for Congress | H | FL |
| Kris Hart for Congress | H | PA |
| Krishna for Congress | H | IL |
| Kristen Carlson for Congress Committee | H | FL |
| Kristen for Michigan | H | MI |
| Kristen Rosen Gonzalez Campaign Committee | H | FL |
| Kristi for Congress | H | SD |
| Kristin Beery Hahn | P | FL |
| Kristin Beery Hahn Committee for Freedom | P | FL |
| Kristine Reeves for Congress | H | WA |
| Kristine Schanbacher for Congress | H | IL |
| Kristin Gaspar for Congress | H | CA |
| Kristin Lyerly for Congress | H | WI |
| Kristin Marina for President | P | OR |
| Kristin Skowronski for Congress | H | CO |
| Kristofer for Congress | H | FL |
| Kristopher Larsen for Colorado | H | CO |
| Kristy for Congress | H | PA |
| Kristy Thripp for Congress | H | FL |
| Kroemer for Congress | H | AZ |
| Krohn for Congress | H | TX |
| Kross for America | P | NC |
| Krucoff for Congress | H | DC |
| Krueger, Corbin Raymond Mr. Krueger | I | WI |
| Krulick for Congress | H | FL |
| Krull 4 Congress | H | IA |
| Krupkin 2020 | P | OR |
| Krystal Dorey for US | H | IL |
| Krystle Kaul for Va | H | VA |
| Krystle Matthews for Senate | S | SC |
| Krystofiak for Congress | H | AZ |
| Kryzenske for America | P | WI |
| Krzemuski for Senate | S | CA |
| Ks-03 Republican Nominee Fund 2022 | N | VA |
| Ks3 Victory Fund | X | KS |
| K Saleh 2020 | H | CA |
| Ksl, INC. | O | KY |
| Ks-Nm Victory Fund 2022 | N | WA |
| Ks-Nm Victory Fund 2024 | N | WA |
| Kt for Mn Congressional District 5 | H | MN |
| Ktmc Federal PAC | N | PA |
| Kuaea for Congress | H | AS |
| Kubala for Ohio | H | OH |
| Kuehl for Congress | H | IA |
| Kuhio Legacy PAC | V | HI |
| Kulos for Mayor | U | CT |
| Kumar 4 Congress 324 | H | CA |
| Kumar for Congress | H | CA |
| Kumar for Congress 2020 | H | CA |
| Kunce Missouri Victory Fund | N | DC |
| Kunelius for Congress | H | WI |
| Kunkel for Congress | H | WV |
| Kunkle for Congress | H | TX |
| Kurant for Congress | H | IN |
| Kurita for US Senate | S | TN |
| Kurt Bills for US Senate | S | MN |
| Kurt for America'S Voice | P | VA |
| Kurt Hauth for Congress | H | OR |
| Kurtis Wilson for Congress 2018 | H | CA |
| Kurt Jetta for Congress, INC. | H | FL |
| Kurt Schrader for Congress | H | OR |
| Kurt Schwab 4 Congress | H | NY |
| Kurt Schwab for Congress Txcd 33 2026 | H | TX |
| Kurt Winstead for Congress | H | TN |
| Kurtz 4 Congress | H | MA |
| Kushco Holdings, INC. PAC (Kushco Pac) | N | CA |
| Kuster for Congress, INC | H | NH |
| Kustoff for Congress | H | TN |
| Kustoff for Congress 2002 | H | TN |
| Kustoff Victory Fund | N | TN |
| Kutak Rock LLP Political Action Committee | Q | NE |
| Kutch for Kongress | H | TX |
| Kutz for Congress | H | AZ |
| Kuzmich for Congress | H | TX |
| K-Va-T Food Stores INC Foodpac | Q | VA |
| Kwanza Hall for Congress, INC. | H | GA |
| Kweisi Mfume for Congress | H | MD |
| Kw Miller America First | H | FL |
| Kyle2024 | P | MI |
| Kyle Bone for Congress | H | MO |
| Kyle for Wisconsin | H | DC |
| Kyle Freeman for Senate | S | SC |
| Kyle Hill for Congress | H | NY |
| Kyle Horton for Congress | H | NC |
| Kyle Jasey for Jersey | H | NJ |
| Kyle Labrue for Congress | H | MO |
| Kyle Law Enforcement Political Action Committee | N | TX |
| Kyle McCarter for Congress Committee | H | IL |
| Kyle Perkins for Congress | H | GA |
| Kyleprestonfortexas | H | TX |
| Kyle Randol for Congress | X | LA |
| Kylerforpreisdent | P | WY |
| Kyle Roberts for Congress | H | VA |
| Kyle Sinclair for Tx28 | H | TX |
| Kylie Taitano for Congress | H | CA |