10608 committees
| Name | Candidate | Type | Party | City | First Registered |
|---|---|---|---|---|---|
| Committee For A New Britain Democratic Majority | — | Political Action Committee | — | Rocky Hill | April 22, 2004 |
| Committee for a Democratic Senate Majority | Vincent E. Mauro | Political Action Committee | — | New Haven | Sept. 12, 2003 |
| Committee For A Democratic Senate | Kevin B. Sullivan | Political Action Committee | — | Farmington | Jan. 23, 2001 |
| Committee For A Better Environment | Lennie Grimaldi | Political Action Committee | — | Redding | May 26, 1999 |
| Committee 4KEN2022 | Kenneth J Trice | Candidate Committee | Democrat | Tolland | April 20, 2022 |
| Committe to Re-Elect Judge John W. Fertig, Jr. | John W. Fertig | Candidate Committee | Democrat | Oxford | Aug. 15, 2002 |
| Committe to Elect Cynthia Mangini | Cynthia C Mangini | Candidate Committee | Democrat | Enfield | Dec. 5, 2025 |
| Commercial Workers of America Local1298 | — | Political Action Committee | — | Hamden | July 30, 2006 |
| Commercial Workers of America | — | Political Action Committee | — | Hamden | June 26, 2006 |
| Comm. to Re-elect Cocco 02 | — | Candidate Committee | Democrat | Bridgeport | Aug. 8, 2002 |
| Comisky 2018 | Kurt J Comisky | Candidate Committee | Democrat | East Hampton | Feb. 16, 2018 |
| Comer for CT | Irina Comer | Candidate Committee | Republican | Norwalk | Nov. 12, 2019 |
| Com. to Re-Elect Ken Bernhard | — | Candidate Committee | — | Westport | Jan. 8, 2003 |
| Columbia Republican Town Committee | Bryant Andrews | Party Committee | Republican | Columbia | Jan. 27, 1999 |
| Columbia Democratic Town Committee | Kevin Donahue | Party Committee | Democrat | Columbia | Jan. 27, 1999 |
| Coltsville Herritage Park | — | Political Action Committee | — | Hartford | April 11, 2002 |
| Cologne Life Re-Political Action Committee | Michael W. Elgee | Political Action Committee | — | Stamford | May 25, 1999 |
| Collins for the 55th | John B Collins | Candidate Committee | Democrat | Hebron | Feb. 19, 2020 |
| Collins for the 26th | Tremell J Collins | Candidate Committee | Republican | New Britain | April 11, 2018 |
| Collins for the 117th | Raymond V Collins | Candidate Committee | Republican | West Haven | Feb. 9, 2024 |
| Collins for Senate 2022 | Tremell J Collins | Candidate Committee | Republican | New Britain | May 25, 2022 |
| COLLINS 2026 | Raymond V Collins | Candidate Committee | Republican | West Haven | Dec. 1, 2025 |
| Collins 2024 | Tremell J Collins | Candidate Committee | Republican | New Britain | Jan. 12, 2024 |
| Collins 2000 | Ray Collins | Candidate Committee | Republican | West Haven | June 5, 2000 |
| Collins 04 | Raymond V. Collins | Candidate Committee | Republican | Milford | June 30, 2004 |
| Collins '02 | Ray Collins | Candidate Committee | Republican | West Haven | Aug. 26, 2002 |
| College Democrats of New Haven | Michelle Mayorga | Political Action Committee | — | New Haven | Oct. 18, 2000 |
| College Democrats Of Connecticut | Benjamin Stango | Political Action Committee | — | New Haven | Sept. 1, 2009 |
| College Democrats of Connecticut | Ryan N Rosario | Political Action Committee | — | Shrewsbury | Aug. 29, 2023 |
| College Democrats | Nirupam Sinha | Political Action Committee | — | New Haven | March 8, 2004 |
| Colleen Rankine | Coleen Rankine | Candidate Exemption Committee | Republican | Hartford | May 24, 2012 |
| Colin Hosten Election Committee | Colin A Hosten | Candidate Committee | Democrat | Norwalk | April 10, 2018 |
| Colin D. Bennett | Colin D. Bennett | Candidate Exemption Committee | Green Party | Westbrook | Sept. 15, 2008 |
| Colin D Bennett* | Colin D Bennett* | Candidate Exemption Committee | Green Party | Westbrook | Sept. 10, 2010 |
| Colin D Bennett | Colin D Bennett | Candidate Exemption Committee | Green Party | Westbrook | Aug. 17, 2016 |
| Colette4Ridgefield | Colette Kabasakalian | Candidate Committee | Republican | Ridgefield | May 21, 2024 |
| Colebrook Republican Town Committee | John C. Miller | Party Committee | Republican | Colebrook | Jan. 27, 1999 |
| Colebrook Democratic Town Committee | — | Political Action Committee | — | Colebrook | Oct. 28, 2002 |
| Colchester Solutions Together | Stephanie Smith | Political Action Committee | — | Colchester | April 24, 2022 |
| Colchester Republican Town Committee | Paul L. Maxwell | Party Committee | Republican | Colchester | Jan. 27, 1999 |
| Colchester Independent Party 2017 | Tearice J Peters | Political Action Committee | — | Colchester | Sept. 15, 2017 |
| Colchester Democratic Women's Club | Deborah Wolf | Political Action Committee | — | Colchester | April 12, 1999 |
| Colchester Democratic Town Committee | Robert A. Weeks | Party Committee | Democrat | Colchester | Dec. 27, 1999 |
| Colchester Advocates for Public Schools | Monica C. Swyden-Bolles | Political Action Committee | — | Colchester | Sept. 5, 2003 |
| Colavecchio 63rd | Lynda F. Colavecchio | Candidate Committee | Republican | Winsted | May 24, 2004 |
| Colarossi For Norwalk | Steven A Colorossi | Candidate Committee | Republican | Norwalk | March 27, 2012 |
| Colapietro For State Senate | Thomas A. Colapietro | Candidate Committee | Democrat | Terryville | Oct. 9, 2001 |
| Colapietro For Senate | Thomas A. Colapietro | Candidate Committee | Democrat | Bristol | Dec. 17, 1999 |
| Colapietro for Senate | Tom Colapietro | Candidate Committee | Democrat | Terryville | Jan. 12, 2004 |
| Cohn & Birnbaum, P.C. Political Committee | John D. Newman | Political Action Committee | — | Hartford | May 25, 1999 |