10586 committees
| Name | Candidate | Type | Party | City | First Registered |
|---|---|---|---|---|---|
| OTooleforCT29 | Michael J O'Toole | Candidate Committee | Republican | Rocky Hill | March 19, 2018 |
| Oswald J Brown | Oswald J Brown | Candidate Exemption Committee | Democrat | Hamden | June 30, 2017 |
| Osten For The 47Th In 2012 | Catherine A. Osten | Candidate Committee | Democrat | Baltic | March 5, 2012 |
| Osten For State Representative | Catherine A. Osten | Candidate Committee | Democrat | Baltic | March 2, 2010 |
| Osten 2018 | Catherine Osten | Candidate Committee | Democrat | Baltic | Jan. 8, 2018 |
| Osten 2016 | Catherine A Osten | Candidate Committee | Democrat | Baltic | Jan. 26, 2016 |
| Osten 2014 | Catherine A. Osten | Candidate Committee | Democrat | Baltic | March 27, 2014 |
| Osten 2012 | Catherine A. Osten | Candidate Committee | Democrat | Baltic | May 22, 2012 |
| Osten 2010 | Catherine A. Osten | Candidate Committee | Democrat | Taftville | March 2, 2010 |
| Osmanu for State Rep | Abdul Osmanu | Candidate Committee | Democrat | Hamden | May 20, 2024 |
| Osgood For CT | Whit Osgood | Candidate Committee | Republican | Manchester | April 9, 2014 |
| Osella for State Representative | Ron Osella | Candidate Committee | Republican | Manchester | July 22, 2002 |
| Osborne For Senate | Melissa E Osborne | Candidate Committee | Democrat | Simsbury | April 28, 2014 |
| Osborne 2026 | Melissa E Osborne | Candidate Committee | Democrat | Weatogue | Jan. 15, 2026 |
| Osborne 2024 | Melissa E Osborne | Candidate Committee | Democrat | Weatogue | Nov. 15, 2023 |
| Osborne 2022 | Melissa E Osborne | Candidate Committee | Democrat | Weatogue | May 4, 2022 |
| Osborne 2020 | Melissa E Osborne | Candidate Committee | Democrat | Torrington | Nov. 25, 2019 |
| Osborne 2018 | Melissa E Osborne | Candidate Committee | Democrat | Torrington | May 24, 2018 |
| Ortiz For State Representative | Jason J Ortiz | Candidate Committee | Unaffiliated | Mansfield | June 2, 2010 |
| Orsini For Senate 2014 | Donato Orsini | Candidate Committee | Democrat | Watertown | May 27, 2014 |
| Orsini 2010 | Donato Orsini | Candidate Committee | Democrat | Watertown | June 18, 2010 |
| Orosco22 | Steven R Orosco | Candidate Committee | Republican | New Haven | Feb. 8, 2022 |
| Orosco 2025 | Steven R Orosco | Candidate Committee | Republican | New Haven | April 11, 2025 |
| Orosco 2024 | Steven R Orosco | Candidate Committee | Republican | New Haven | Feb. 24, 2024 |
| Orlando Cordero | Orlando Cordero | Candidate Exemption Committee | Democrat | New Haven | July 17, 2017 |
| Orefice 2002 | Gary J. Orefice | Candidate Committee | Democrat | Niantic | May 20, 2002 |
| Orefice 2000 | Gary J. Orefice | Candidate Committee | Democrat | Niantic | May 12, 2000 |
| Orange Taxpayers Association | John J. Donohue | Political Action Committee | — | Orange | Nov. 8, 1999 |
| Orange First, Connecticut First, A Committee | Jane E Opper | Political Action Committee | — | Orange | June 7, 2010 |
| Orange Democratic Town Committee | Joseph A. Lembo | Party Committee | Democrat | Orange | July 8, 1998 |
| Orange 2018 | Linda A Orange | Candidate Committee | Democrat | Colchester | Feb. 1, 2018 |
| Orange 2016 | Linda A Orange | Candidate Committee | Democrat | Colchester | Feb. 16, 2016 |
| Orange 2014 | Linda A. Orange | Candidate Committee | Democrat | Colchester | Feb. 21, 2014 |
| Orange 2012 | Linda A. Orange | Candidate Committee | Democrat | Colchester | March 1, 2012 |
| Orange 2010 | Linda A. Orange | Candidate Committee | Democrat | Colchester | March 3, 2010 |
| Orange 2008 | Linda A. Orange | Candidate Committee | Democrat | Colchester | Jan. 31, 2008 |
| Orange 2006 | Linda A. Orange | Candidate Committee | Democrat | Colchester | Jan. 11, 2006 |
| Orange 2004 | Linda A. Orange | Candidate Committee | Democrat | Colchester | Dec. 31, 2003 |
| Orange 2002 | Linda A. Orange | Candidate Committee | Democrat | Colchester | Jan. 11, 2002 |
| Orange 2000 | Linda A. Orange | Candidate Committee | Democrat | Colchester | Feb. 10, 2000 |
| Opinsky for the House - 19th | Jack S. Opinsky | Candidate Committee | Democrat | West Hartford | July 24, 2002 |
| Operating Engineers' Local 478 Political Action Committee - State | Benedict W. Cozzi | Political Action Committee | — | Hamden | Oct. 23, 2008 |
| OPerating Engineers Politcal Committee | — | Political Action Committee | — | Hamden | Nov. 19, 2006 |
| Operating Engineers PAC | — | Political Action Committee | — | Hamden | Dec. 3, 2006 |
| Operating Engineers Continuing Political Committee | Garry W. Gyenizs | Political Action Committee | — | Hamden | April 7, 2000 |
| OPERATING ENGINEERS CONTINUING POLITICAL COMMITTEE | — | Political Action Committee | — | Hamden | April 9, 2002 |
| Operating Engineers Continuing Political Action Committee | — | Political Action Committee | — | Hamden | Aug. 26, 2002 |
| Operating Engineers Continuing Politcal Committee | — | Political Action Committee | — | Hamden | Dec. 28, 2003 |
| Operating Engineers Continuing PAC | — | Political Action Committee | — | Hamden | Feb. 8, 2002 |
| Operating Engineers Consulting PAC | — | Political Action Committee | — | Hamden | April 11, 2002 |