10608 committees
| Name | Candidate | Type | Party | City | First Registered |
|---|---|---|---|---|---|
| Campaign for Connecticut's Future | Brooke Parker | Independent Expenditure Political Committee | — | Milford | Oct. 26, 2016 |
| Camillo For State Representative | Alfred F. Camillo | Candidate Committee | Republican | Old Greenwich | Feb. 29, 2008 |
| Camillo 2014 | Fred F. Camillo | Candidate Committee | Republican | Greenwich | April 1, 2014 |
| Cam Staples For Attorney General | Cameron C. Staples | Candidate Committee | Democrat | New Haven | Jan. 28, 2010 |
| Calnen for the 59th | Gerald Calnen | Candidate Committee | Democrat | Enfield | May 22, 2020 |
| Callie Sullivan 2004 | Callie Sullivan | Candidate Committee | Democrat | Darien | April 6, 2004 |
| Calabrese for Probate 2018 | Domenick N Calabrese | Candidate Committee | Republican | Middlebury | Jan. 25, 2018 |
| Calabrese For Probate 2014 | Domenick N. Calabrese | Candidate Committee | Republican | Watertown | Jan. 31, 2014 |
| Calabrese For Probate 2010 | Domenick N. Calabrese | Candidate Committee | Republican | Watertown | Feb. 1, 2010 |
| CALA PAC | — | Political Action Committee | — | Old Lyme | Jan. 25, 2002 |
| Caitlin Clarkson Pereira 2018 | Caitlin Clarkson Pereira | Candidate Committee | Democrat | Fairfield | Dec. 15, 2017 |
| Caitlin 2020 | Caitlin Clarkson Pereira | Candidate Committee | Democrat | Fairfield | Nov. 19, 2019 |
| CAGV Political Action Committee | — | Political Action Committee | — | Hebron | Oct. 23, 2006 |
| CAGV PAC | — | Political Action Committee | — | Hebron | Aug. 28, 2006 |
| Cafero for State Representative | Lawrence F. Cafero | Candidate Committee | Republican | Norwalk | Jan. 13, 2004 |
| Cafero For State Representative | Lawrence F. Cafero | Candidate Committee | Republican | Norwalk | Dec. 17, 2007 |
| Cafero for Probate Judge | Lawrence F Cafero | Candidate Committee | Republican | Norwalk | Dec. 21, 2017 |
| Cafero 2002 | Lawrence F. Cafero | Exploratory Committee | — | Hamden | Jan. 18, 2002 |
| Cafero 2000 | Lawrence F. Cafero | Candidate Committee | Republican | South Norwalk | July 5, 2000 |
| Cabrera For The People | Jorge Cabrera | Political Action Committee | — | Hamden | July 9, 2021 |
| Cabrera for State Senate | Jorge L Cabrera | Candidate Committee | Democrat | Farmington | Jan. 12, 2018 |
| Cabrera for Senate | Jeanese Cabrera | Candidate Committee | Republican | Trumbull | Feb. 21, 2003 |
| Cabrera for SD17 | Jorge Cabrera | Candidate Committee | Democrat | Hamden | Oct. 27, 2021 |
| Cabrera for SD 17 | Jorge L Cabrera | Candidate Committee | Democrat | Hamden | Dec. 5, 2025 |
| Cabral for 120 | William O Cabral | Candidate Committee | Republican | Stratford | Jan. 5, 2018 |
| Cablevisions Systems CT Pol. Cmte. | — | Political Action Committee | — | Bethpage | Nov. 9, 2006 |
| Cablevision Systems of CT Political Committee | — | Political Action Committee | — | Bethpage | Oct. 8, 2006 |
| Cablevision Systems of CT Pol. Cmte. | — | Political Action Committee | — | Bethpage | Oct. 1, 2006 |
| Cablevision Systems CT Political Committee | — | Political Action Committee | — | Bethpage | Sept. 30, 2006 |
| Cablevision Systems CT Pol. Cmte. | — | Political Action Committee | — | Bethpage | Jan. 30, 2006 |
| Cablevision Systems Connecticut Political Committee | Thomas M. Rutledge | Political Action Committee | — | Bethpage | Sept. 21, 2004 |
| Cabelvision Systyems CT Political Committee | — | Political Action Committee | — | Bethpage Ny | Nov. 8, 2006 |
| C.Y.R. PAC | Michael J. Purcaro | Political Action Committee | — | Waterbury | Jan. 28, 2002 |
| C.L.E.G. | — | Political Action Committee | — | Watertown | Feb. 5, 2002 |
| C.A.N.A. PAC | — | Political Action Committee | — | Meriden | April 10, 2002 |
| Bysiewicz for CT | Susan Bysiewicz | Candidate Committee | Democrat | Middletown | Nov. 7, 2025 |
| Byrne For Probate '08 | Margaret M. Byrne | Candidate Committee | Democrat | Windsor Locks | Sept. 4, 2008 |
| Buzaid 138 | Emile G Buzaid | Candidate Committee | Republican | Danbury | May 23, 2020 |
| Butterly2020 | Sean C Butterly | Candidate Committee | Democrat | Watertown | June 2, 2020 |
| Butler 2026 | Larry B Butler | Candidate Committee | Democrat | Waterbury | Jan. 15, 2026 |
| Butler 2024 | Larry B Butler | Candidate Committee | Democrat | Waterbury | Feb. 22, 2024 |
| Butler 2022 | Larry B Butler | Candidate Committee | Democrat | Waterbury | Feb. 10, 2022 |
| Butler 2020 | Larry B Butler | Candidate Committee | Democrat | Waterbury | March 11, 2020 |
| Butler 2018 | Larry B Butler | Candidate Committee | Democrat | Waterbury | Dec. 8, 2017 |
| Butler 2016 | Larry B Butler | Candidate Committee | Democrat | Waterbury | Feb. 18, 2016 |
| Butler 2014 | Larry B. Butler | Candidate Committee | Democrat | Waterbury | Jan. 6, 2014 |
| Butler 2012 | Larry B. Butler | Candidate Committee | Democrat | Waterbury | Oct. 5, 2011 |
| Butler 2010 | Larry B. Butler | Candidate Committee | Democrat | Waterbury | May 27, 2010 |
| Butler 2008 | Larry B. Butler | Candidate Committee | Democrat | Waterbury | May 30, 2008 |
| Butler 2006 | Larry B. Butler | Candidate Committee | Democrat | Waterbury | April 28, 2006 |