10583 committees
| Name | Candidate | Type | Party | City | First Registered |
|---|---|---|---|---|---|
| Sujata for Connecticut | Sujata Gadkar-Wilcox | Candidate Committee | Democrat | Trumbull | Dec. 22, 2025 |
| Suffield Republican Town Committee | Regina C. Graziani | Party Committee | Republican | Suffield | July 13, 2000 |
| Stratford Young Republicans | Christopher E. Silhavey | Political Action Committee | — | Stratford | July 10, 2001 |
| Stratford Republican Town Committee | Thomas A. Torre | Party Committee | Republican | Stratford | July 10, 1998 |
| Stratford GOP PAC | Louis A. DeCilio | Political Action Committee | — | Stratford | May 25, 2006 |
| Stratford Future | Joseph P Gresko | Political Action Committee | — | Stratford | Dec. 16, 2016 |
| Stonington Republican Town Committee | Thomas J. Timmons | Party Committee | Republican | Pawcatuck | July 10, 1998 |
| North Stonington Republican Town Committee | Sandra Steinhart | Party Committee | Republican | North Stonington | July 8, 1998 |
| Stonington Democratic Town Committee | Raymond T. Trebisacci | Party Committee | Democrat | Pawcatuck | May 4, 2000 |
| North Stonington Democratic Town Committee | James Cunha | Party Committee | Democrat | North Stonington | July 8, 1998 |
| Steve for State Rep 2026 | Steven B Winter | Candidate Committee | Democrat | New Haven | Dec. 11, 2025 |
| Steve Weir For CT 26 | Stephen Weir | Candidate Committee | Republican | Hebron | Jan. 3, 2026 |
| Sterling Republican Town Committee | Shirl A. Knox | Party Committee | Republican | Sterling | July 10, 1998 |
| Stephanie Thomas for CT | Stephanie Thomas | Candidate Committee | Democrat | Norwalk | June 25, 2018 |
| Stamford Republican Town Committee | Daniel M. McCabe | Party Committee | Republican | — | July 10, 1998 |
| Stamford Firefighters Local 786 PAC Fund | — | Political Action Committee | — | Stamford | July 9, 2004 |
| Stamford Firefighters Local 786 PAC | James Romaniello | Political Action Committee | — | Stamford | Feb. 17, 2000 |
| Stamford Democratic City Committee | Ellen Camhi | Party Committee | Democrat | Stamford | July 10, 1998 |
| Stafstrom PAC | — | Political Action Committee | — | Bridgeport | Aug. 16, 2018 |
| Stafstrom 2026 | Steven J Stafstrom | Candidate Committee | Democrat | Bridgeport | Jan. 15, 2026 |
| Stafford Democratic Town Committee | Edward M. Muska | Party Committee | Democrat | Stafford Springs | July 10, 1998 |
| Sprague Republican Town Committee | Dennison L. Allen | Party Committee | Republican | Versailles | July 9, 1998 |
| Sprague Democratic Town Committee | Joan Charron Nagle | Party Committee | Democrat | Baltic | June 28, 2000 |
| Southington Republican Town Committee | Sharon M. O'Brien | Party Committee | Republican | Southington | Aug. 5, 1998 |
| Southington Democratic Town Committee | Gerald P. Crean | Party Committee | Democrat | Southington | July 9, 1998 |
| Southbury Republican Town Committee | Jack W. Fischer | Party Committee | Republican | Southbury | July 9, 1998 |
| Southbury Democratic Town Committee | Vincent J. DiCara | Party Committee | Democrat | Southbury | July 9, 1998 |
| South Windsor United Community Party | Arthur Adduci | Party Committee | United Community Party | East Windsor Hill | May 11, 2023 |
| South District Firefighters Local 3918 PAC Fund | Christopher L. Gamache | Political Action Committee | — | Middletown | July 27, 2006 |
| Sound CT PAC | Sean M Scanlon | Political Action Committee | — | Guilford | Nov. 14, 2017 |
| Somers Republican Town Committee | Rick Numrych | Party Committee | Republican | Somers | July 9, 1998 |
| Somers PAC | Jordanne Anderson | Political Action Committee | — | Mystic | June 10, 2019 |
| Somers Democratic Town Committee | Maurice J. Rondeau | Party Committee | Democrat | Somers | July 9, 1998 |
| Solidarity in Action | Renato Basile | Independent Expenditure Political Committee | — | New Milford | Oct. 9, 2025 |
| Sojourner Network of Democratic Women | Leota M. Tucker | Political Action Committee | — | Newington | Jan. 12, 2001 |
| Sojourner Network Of Democratic Women | Joyce H. Petteway | Political Action Committee | — | West Hartford | Jan. 12, 2001 |
| Slap For Senate 2026 | Derek M Slap | Candidate Committee | Democrat | West Hartford | Dec. 29, 2025 |
| THOMAS BRUENN SIX PAC. | — | Political Action Committee | — | Meriden | Nov. 7, 2002 |
| Six PAC | Anita Madzik | Political Action Committee | — | Meriden | Jan. 1, 1998 |
| Singh PAC | — | Political Action Committee | — | Norwich | March 9, 2022 |
| Simsbury/Farmington Valley Republican Women's Club | Mary N Turner | Political Action Committee | — | Simsbury | Dec. 20, 2010 |
| Simsbury Republican Town Committee | William B. Gardner | Party Committee | Republican | West Simsbury | July 9, 1998 |
| Simsbury Democratic Town Committee | Jane Heitman Green | Party Committee | Democrat | West Simsbury | July 9, 1998 |
| Sidewalks and Storefronts PAC | — | Political Action Committee | — | New Haven | March 9, 2024 |
| Shoreline League of Democratic Women | Susan Belinda Jones | Political Action Committee | — | Westbrook | Sept. 26, 2005 |
| Shoreline League Of Democratic Women | Susan B. Jones | Political Action Committee | — | Westbrook | Sept. 26, 2005 |
| Shoreline Green Party | Justin C Paglino | Political Action Committee | — | Guilford | Sept. 26, 2022 |
| Sherman Republican Town Committee | Robert D. Bradshaw | Party Committee | Republican | Sherman | July 9, 1998 |
| Sherman Democratic Town Committee | Frank Muska | Party Committee | Democrat | Sherman | July 9, 1998 |
| Shelton Republican Town Committee | Frank C. Pagliaro | Party Committee | Republican | Shelton | July 9, 1998 |