| Citizens for Common Sense USA | O | DC |
| Citizens for Conservative Leadership, INC. | O | MA |
| Citizens for Conservative Values | I | GA |
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| Citizens for Excellence in Local Leadership | O | PA |
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| Citizens for Heather Ryan | H | IA |
| Citizens for Hillery Brotschol | H | NJ |
| Citizens for Hoan | H | IL |
| Citizens for Integrity in Politics | N | FL |
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| Citizens for J Christian | H | OH |
| Citizens for Jen Richardson | H | MI |
| Citizens for Jim Hemenway | H | CO |
| Citizens for Joe Kennedy 1988 | H | MA |
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| Citizens for John Rutherford | H | FL |
| Citizens for Jorge Zavala | P | CA |
| Citizens for Josh Mandel INC | H | OH |
| Citizens for Joshua Yabut | S | VA |
| Citizens for Kent Gray | H | IL |
| Citizens for Kevin J. Gaffney | H | FL |
| Citizens for Krista Whipple | P | CO |
| Citizens for Lee Whitnum | H | CT |
| Citizens for Leif Johnson for Congress | H | WA |
| Citizens for Little, the Censored Candidate | P | CA |
| Citizens for Livable Communities | O | PA |
| Citizens for Lloyd M. Kelly | H | LA |
| Citizens for Manley | H | OH |
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| Citizens for Matthew Lehman | H | KY |
| Citizens for Matt Quigley | H | IL |
| Citizens for Melony Griffith | N | MD |
| Citizens for Michael Dee | H | TX |
| Citizens for Michael Deel | S | AR |
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| Citizens for Nancy Baxley | H | TN |
| Citizens for Nevada PAC INC | O | NV |
| Citizens for New Leadership | O | MI |
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| Citizens for Osbert Rodriguez Haro | H | TX |
| Citizens for Patrick Harlan | H | IL |
| Citizens for Paul Daigle | H | PA |
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| Citizens for Preserving Lakeside Park | V | WI |
| Citizens for Prosperity in America Today PAC | Q | VA |
| Citizens for Recorded Accountability | N | NJ |
| Citizens for Responsible Cannabis Policy | O | CO |
| Citizens for Responsible Energy Solutions INC. | I | DC |
| Citizens for Responsible Government in Nc | N | NC |
| Citizens for Responsible Leadership | O | NC |
| Citizens for Responsible Leadership PAC | O | WI |
| Citizens for Restoring USA | O | FL |
| Citizens for Ron Medina | H | TX |
| Citizens for Ronnie Kroell | P | CA |
| Citizens for Rothfus INC. | H | PA |
| Citizens for Rush | H | IL |
| Citizens for Salinas | S | IL |
| Citizens for Sam Branscum | H | MI |
| Citizens for Scott Caine | H | FL |
| Citizens for Sean McGinty/Flip Collin Texas Blue | N | TX |
| Citizens for Selma M Adamczyk | P | KY |
| Citizens for Small Government | N | NM |
| Citizens for Social, Racial and Economic Equality | O | AZ |
| Citizens for Spencer Lemmons | H | IN |
| Citizens for Stephen A Emery | H | MN |
| Citizens for Strength and Security PAC | O | DC |
| Citizens for the Center | O | KY |
| Citizens for the Eradication of Sexual Human Trafficking for Lawmaking and Governance | N | CA |
| Citizens for the Legalization of Cannabis Political Action Committee | V | DC |
| Citizens for the Republic PAC | N | VA |
| Citizens for Theresa Raborn | H | IL |
| Citizens for the Truth | O | MO |
| Citizens for Tim Fazenbaker | H | MD |
| Citizens for Tim Uy | H | WA |
| Citizens for Tim Villari | P | OH |
| Citizens for Tom Kawczynski | P | ME |
| Citizens for Tom Tarter | S | IL |
| Citizens for Truth and Justice INC | O | WI |
| Citizens for Truth PAC | V | WV |
| Citizens for Turner | H | OH |
| Citizens for Veterans in Government | N | NY |
| Citizens for Virginia | O | VA |
| Citizens for Virginia PAC | O | WI |
| Citizens for Voting Equity | N | MI |
| Citizens for Waters | H | CA |
| Citizens for Wednesday Turner and A Bleaker Tomorrow | P | VI |
| Citizens for Wenstrup | S | LA |
| Citizens for Wisdom and Faith in the White House | P | VA |
| Citizens for Xavier Salinas | H | TX |
| Citizens of Coach Brock'S Second Period Super Awesome Super PAC for A Better America | O | TN |
| Citizens of Organized Government | N | IL |
| Citizens Organized Political Action Committee | Q | CA |
| Citizens Organized to Resist Egomaniacal Yahoos and Spiteful Trumpbacking Officeholders PAC | U | DC |
| Citizens Resistance | O | TX |
| Citizens Restoration of Integrity and Service PAC | N | PA |
| Citizens Strengthening Our Message in the House | N | NJ |
| Citizens to Elect Eric R Sawchuk | H | CA |
| Citizens to Elect James D. Gailliard | H | NC |
| Citizens to Elect Jerone Garland United States Senator | S | MS |
| Citizens to Elect Jimmy Tillman for Congress | H | IL |
| Citizens to Elect John F Morrow | H | IL |
| Citizens to Elect Keith Pottratz | S | CO |
| Citizens to Elect Little | S | CA |
| Citizens to Elect Phil Roe to Congress | H | TN |
| Citizens to Elect Rick Larsen | H | WA |
| Citizens to Elect Rusty Crowe to Congress | H | TN |
| Citizens to Elect Teresa Pfaff | H | IL |
| Citizens to Elect Terre Layng Rosner | H | IL |
| Citizens to Make America Thrive | P | NV |
| Citizens to Protect Florida'S Future | N | FL |
| Citizens to Protect Florida'S Tomorrow | O | FL |
| Citizen'S to Reelect Our President | N | MI |
| Citizens to Save Our Republic | O | DC |
| Citizens United | E | DC |
| Citizens United 2020, INC | N | FL |
| Citizens United for Constitutional Government | V | CA |
| Citizens United for Education | O | NC |
| Citizens United Political Victory Fund | Q | DC |
| Citizens United Super PAC LLC | O | DC |
| Citizens Who Have Had Enough PAC | O | DC |
| Citizen'S Who Understand Science & See Reason Coos Bay , Or | N | OR |
| Citlaly for Nevada | H | NV |
| City Fair Area Democratic Club | N | TX |
| City of Alameda Democratic Club Federal PAC | N | CA |
| City of Dundee | H | OR |
| City of Fairfax Republican Committee | X | VA |
| City of Manassas Republican Party | X | VA |
| City on A Hill PAC | N | MD |
| Citypac | Q | IL |
| Citzens for American Energy Federal PAC | O | PA |
| Citzens for Moving Cancer Health Care Forward | N | DC |
| Civic | O | VA |
| Civic America PAC | N | DC |
| Civic Data PAC | O | DC |
| Civic Empowerment Coalition | E | CA |
| Civic Empowerment Coalition | I | CA |
| Civic Forum PAC | Q | VA |
| Civic Innovation USA INC | O | NY |
| Civicnow | O | CA |
| Civic Truth Action | O | DC |
| Civil & Environmental Consultants, INC. - PAC | N | PA |
| Civil Governance | N | AZ |
| Civitas Resources, INC. Political Action Committee (Civipac) | N | CO |
| Civ - the Coalition of Independent Voters | N | CA |
| Civx National PAC | N | CO |
| Cj for Congress | H | CA |
| Cj L Cary (P.A.C.) Political Action Committee | P | VA |
| Cjs PAC | Q | NY |
| Claiming Our Voices | O | MN |
| Cla, INC. | I | DC |
| Claire Chase for Congress | H | NM |
| Claire Elisabeth Elliott Is America | P | GA |
| Claire Elisabeth Elliott Is America | P | GA |
| Claire for Nj | H | NJ |
| Claire Gustafson for Congress 2020 | H | NJ |
| Claire Ragge for Congress 2022 | H | CA |
| Claire Russo for Congress | H | VA |
| Claitor for Congress | H | LA |
| Cl America Corp PAC | O | TX |
| Clancy for Congress | H | VA |
| Clancy Victory | N | VA |
| Cla PAC | O | DC |
| Clapp 2024 | P | MT |
| Clara Sue Miller for President | P | AL |
| Clarence for Ga | H | GA |
| Clarence Lam for Congress | H | MD |
| Clark4congress24 | H | WA |
| Clark Bossert for Congress | H | NV |
| Clark County Blue Wave PAC | N | WA |
| Clark County Republican Central Committee | X | NV |
| Clarke for Congress | H | NY |
| Clarke Tucker for Congress | H | AR |
| Clarke Tucker Victory Fund | N | AR |
| Clark for US Congress | H | WI |
| Clark Gideon Victory Fund | S | DC |
| Clark Hill Federal Political Action Committee, the | N | DC |
| Clarkisnevada | S | NV |
| Clark Kennedy Victory Fund | H | MA |
| Clark PAC | N | KY |
| Clark Pressley Trahan Victory Fund | H | MA |
| Clark Street Associates LLC PAC | N | CA |
| Clark Trahan Pressley Victory Fund | H | DC |
| Clarmont for Congress | H | WI |
| Clasby for Congress | H | NY |
| Classical Liberal Caucus | N | TX |
| Clatterbuck for Congress | H | IL |
| Claudia de la Cruz for President | P | DC |
| Claudia Tenney for Congress | H | NY |