10608 committees
| Name | Candidate | Type | Party | City | First Registered |
|---|---|---|---|---|---|
| Murtha Cullina | — | Political Action Committee | — | Stamford | Jan. 9, 2006 |
| Murren2014.Com | Michael J Murren | Candidate Committee | Democrat | Fairfield | March 5, 2014 |
| Murren For State Rep - 134 | Michael J Murren | Candidate Committee | Democrat | Fairfield | Aug. 19, 2010 |
| Murray For Probate 2010 | Michael P Murray | Candidate Committee | Republican | Darien | May 25, 2010 |
| Murphy 2000 | Christopher S. Murphy | Candidate Committee | Democrat | Bristol | July 13, 2000 |
| Municiple Employees Union Ind PAC | — | Political Action Committee | — | Middletown | Oct. 6, 2003 |
| Municipal Republican Election Committee | Debrorah R. Masi | Political Action Committee | — | Woodbury | May 30, 2001 |
| Municipal Employees Union Independent Inc PAC | — | Political Action Committee | — | Middletown | Feb. 8, 2002 |
| Municipal Employees Union Ind. PAC | Steven .. Perruccio | Political Action Committee | — | Middletown | July 7, 1999 |
| Municipal Employees Union IND PAC | — | Political Action Committee | — | Middletown | Dec. 12, 2001 |
| Mun. Employees Union Ind. | — | Political Action Committee | — | Middletown | July 31, 2006 |
| Mullins, 2002 | Steven R. Mullins | Candidate Committee | Republican | Windsor | July 12, 2002 |
| Mullins For Senate | Steven R. Mullins | Candidate Committee | Republican | West Haven | Jan. 21, 2014 |
| Mullins For Rep. | Steven R. Mullins | Candidate Committee | Republican | West Haven | June 9, 2014 |
| Mulligan For State Rep | Gayle J Mulligan | Candidate Committee | Republican | Hebron | March 31, 2014 |
| Mullane For The 43rd | Nicholas H Mullane | Candidate Committee | Republican | North Stonington | June 3, 2016 |
| MTH for Guilford | — | Political Action Committee | — | Guilford | April 12, 2022 |
| MPD Local 1016 PAC | — | Political Action Committee | — | Meriden | July 20, 2006 |
| Moving Connecticut Forward | Meredith K Tobitsch | Exploratory Committee | Democrat | New Canaan | Nov. 10, 2025 |
| Moving Bridgeport Forward | Charles Carroll | Political Action Committee | — | Monroe | June 13, 2005 |
| Mount For State Representative | Michele C Mount | Candidate Committee | Democrat | Monroe | March 18, 2008 |
| Mount 2010 | Michele C Mount | Candidate Committee | Democrat | Monroe | June 14, 2010 |
| Moukawsher For Probate Judge | Edward E. Moukawsher | Candidate Committee | Democrat | New London | April 13, 2011 |
| Moukawsher 2014 | Edward E. Moukawsher | Candidate Committee | Democrat | Groton | May 7, 2014 |
| Moukawsher 2012 | Edward E. Moukawsher | Candidate Committee | Democrat | Groton | April 16, 2012 |
| Moukawsher 2006 | Edward E. Moukawsher | Candidate Committee | Democrat | Noank | May 8, 2006 |
| Moukawsher 2004 | Edward E. Moukawsher | Candidate Committee | Democrat | Noank | Jan. 6, 2004 |
| Moukawsher 2002 | Edward E. Moukawsher | Candidate Committee | Democrat | Groton | June 12, 2002 |
| Motor Transport Association of Connecticut, Inc. | — | Political Action Committee | — | Hartford | Feb. 8, 2002 |
| Motor Transport Assoc. of Conn, Inc. PAC | — | Political Action Committee | — | Hartford | July 7, 2005 |
| Motola for Vernon | Brian R Motola | Candidate Committee | Republican | Enfield | Dec. 13, 2023 |
| moss151 | Cheryl Moss | Candidate Committee | Democrat | Cos Cob | Dec. 6, 2019 |
| Moss 2004 | Darnell Tobias Moss | Candidate Committee | Republican | Meriden | July 13, 2004 |
| Mortgage Bankers PAC | Frank J. Haran | Political Action Committee | — | New Britain | July 7, 1999 |
| Mortgage Bankers Association- MOR PAC | — | Political Action Committee | — | New Britain | Feb. 8, 2002 |
| Morrison for CT | Tony Morrison | Candidate Committee | Republican | Wolcott | March 7, 2022 |
| Morris Republican Town Committee | John A. Zarrella | Party Committee | Republican | Morris | July 1, 1998 |
| Morris rep town committee | — | Political Action Committee | — | Morriss | July 7, 2003 |
| Morris Is For Us 2008 | Bruce V. Morris | Candidate Committee | Democrat | Norwalk | April 1, 2008 |
| Morris Is For Us 2006 | Bruce V. Morris | Candidate Committee | Democrat | South Norwalk | May 5, 2006 |
| Morris Is For Us | Bruce V. Morris | Candidate Committee | Democrat | Norwalk | June 11, 2010 |
| Morin 2006 | Russell A. Morin | Candidate Committee | Democrat | Wethersfield | May 24, 2006 |
| Moriarty for Probate | Sarah D Moriarty | Candidate Committee | Democrat | Mystic | July 1, 2020 |
| Moret for CT | Joel Moret | Candidate Committee | Republican | New Britain | May 27, 2022 |
| Morelli For Southington | Barbara J. Morelli | Candidate Committee | Republican | Plantsville | July 13, 2000 |
| Morelli for Rep 2024 | James E Morelli | Candidate Committee | Republican | Southington | Feb. 16, 2024 |
| Mordasky/2002 | John D. Mordasky | Candidate Committee | Democrat | Stafford Springs | May 16, 2002 |
| Mordasky/2000 | John D. Mordasky | Candidate Committee | Democrat | Stafford Springs | May 22, 2000 |
| Moran for State Representative 2018 | Anthony R Moran | Exploratory Committee | Republican | Middletown | Nov. 11, 2016 |
| Moran For State Representative 2016 | Anthony R Moran | Candidate Committee | Republican | Middletown | May 23, 2016 |