10612 committees
| Name | Candidate | Type | Party | City | First Registered |
|---|---|---|---|---|---|
| Old Lyme Republican Town Committee | Diane Atwood Johnson | Party Committee | Republican | Old Lyme | July 8, 1998 |
| Old Lyme Democratic Town Committee | David B. Woolley | Party Committee | Democrat | South Lyme | July 8, 1998 |
| Ohler 2020 | Brian M Ohler | Candidate Committee | Republican | Canaan | May 11, 2020 |
| Ohler 2018 | Brian M Ohler | Candidate Committee | Republican | North Canaan | Jan. 12, 2018 |
| Ohler 2016 | Brian M Ohler | Candidate Committee | Republican | Canaan | May 4, 2016 |
| Odle 2012 | Dennis Odle | Candidate Committee | Republican | Waterbury | May 16, 2012 |
| Odegard for Senate | David O. Odegard | Candidate Committee | Republican | Glastonbury | July 29, 2002 |
| Obrien2010 | Melanie P O'Brien | Candidate Committee | Republican | Bethel | March 2, 2010 |
| Obrien 2008 | Melanie P O'Brien | Candidate Committee | Republican | Bethel | April 17, 2008 |
| Oberlander For Greenwich | Jill Oberlander | Candidate Committee | Democrat | Cos Cob | June 2, 2014 |
| Ob/Gyn Alliance Legislative Affairs Committee | Steven J. Fleischman | Political Action Committee | — | New Haven | Aug. 28, 2000 |
| O'neill For Senate | Arthur J. O'Neill | Candidate Committee | Republican | Southbury | Nov. 21, 2007 |
| O'neill Explore | Arthur J. O'Neill | Exploratory Committee | Republican | Southbury | Jan. 23, 2014 |
| O'dea For State Rep. | Thomas P. O'Dea | Candidate Committee | Republican | New Canaan | April 16, 2012 |
| O'Connor for Eastern Connecticut | — | Candidate Committee | Republican | Bozrah | July 26, 2002 |
| O'Connor 2004 | Brian J. O'Connor | Candidate Committee | Democrat | Westbrook | Feb. 2, 2004 |
| O'Connor 2002 | Brian J. O'Connor | Candidate Committee | Democrat | Westbrook | Jan. 25, 2002 |
| O'Connor 2000 | Brian J. O'Connor | Candidate Committee | Democrat | Westbrook | June 20, 2000 |
| O'Brien for the 115th | Edward M O'Brien | Candidate Committee | Democrat | West Haven | Dec. 21, 2023 |
| O'Brien for State Representative | Tim O'Brien | Candidate Committee | Democrat | New Britain | May 9, 2002 |
| O'brien For State Representative | Timothy O'Brien | Candidate Committee | Democrat | New Britain | Dec. 17, 2007 |
| O'Brien for State Represenatative | Tim O'Brien | Candidate Committee | Democrat | New Britain | Jan. 24, 2006 |
| O'Brien for New Milford | Thomas P O'Brien | Candidate Committee | Democrat | Brookfield | March 28, 2018 |
| Nystrom For Norwich 17 | Peter A Nystrom | Candidate Committee | Republican | Norwich | March 11, 2017 |
| Nystrom 2K | Peter A. Nystrom | Exploratory Committee | — | Norwich | Oct. 20, 1999 |
| Nystrom 2002 | Peter A. Nystrom | Exploratory Committee | — | Norwich | March 13, 2002 |
| Nystrom 2000 | Peter A. Nystrom | Candidate Committee | Republican | Norwich | June 12, 2000 |
| NWCT Young Democrats | Jeff A Eckert | Political Action Committee | — | Torrington | Sept. 19, 2017 |
| NW CT Republican Leadership Fund | Brian Werstler | Political Action Committee | — | Avon | Aug. 3, 2021 |
| Nutmegpac | William E. Riemer | Political Action Committee | — | Farmington | Nov. 20, 2007 |
| Nutmeg Group PAC | — | Political Action Committee | — | New Haven | Jan. 10, 2007 |
| Nutmeg Group | — | Political Action Committee | — | New Haven | March 15, 2004 |
| Nussbaum 2006 | John S. Nussbaum | Candidate Committee | Democrat | New Haven | Jan. 13, 2005 |
| Nussbaum 2002 | John S. Nussbaum | Candidate Committee | Democrat | Greenwich | Jan. 28, 2000 |
| Nursing Home Industry-PAC | — | Political Action Committee | — | East Haven | July 10, 2002 |
| Nursing Home Industry Political Action Committee | — | Political Action Committee | — | East Haven | April 11, 2002 |
| Nursing Home Industry PAC | — | Political Action Committee | — | East Haven | Nov. 8, 2001 |
| Nuccio For CT | Tammy L Nuccio | Candidate Committee | Republican | Tolland | Dec. 7, 2023 |
| Nuccio 2022 | Tammy L Nuccio | Candidate Committee | Republican | Tolland | Jan. 10, 2022 |
| Nuccio 2020 | Tammy L Nuccio | Candidate Committee | Republican | Tolland | Feb. 14, 2020 |
| NU-VISION PAC | — | Political Action Committee | — | Bridgeport | Nov. 14, 2003 |
| NRA Political Victory Fund | Tanya K. Metaksa | Political Action Committee | — | Fairfax | Jan. 1, 1998 |
| NR 20 | Noel Rodriquez | Candidate Committee | Democrat | Torrington | Feb. 28, 2020 |
| NR 18 | Noel Rodriquez | Candidate Committee | Republican | Woodbridge | May 29, 2018 |
| Now For Us | Eva A Maldonado | Candidate Committee | Republican | Stamford | June 1, 2020 |
| Noujaim PAC | Selim G. Noujaim | Political Action Committee | — | Waterbury | Jan. 4, 2005 |
| Noujaim For Progress | Selim G. Noujaim | Political Action Committee | — | Waterbury | Jan. 4, 2005 |
| Noujaim 2004 | Robert C. Kane | Exploratory Committee | — | Waterbury | July 29, 2003 |
| NORWICH-MIKE | Mikel E Middleton | Candidate Committee | Republican | Oakdale | Aug. 3, 2012 |
| Norwich Republican Town Committee | James F. Daigle | Party Committee | Republican | Norwich | July 8, 1998 |