10493 committees
| Name | Candidate | Type | Party | City | First Registered |
|---|---|---|---|---|---|
| Blue State PAC | James A. O'Rourke | Political Action Committee | — | Cromwell | Jan. 28, 2005 |
| Blue Hills Community in Action | — | Political Action Committee | — | Hartford | Sept. 25, 2002 |
| Blue Hills Community In Action | Fretta Davis | Political Action Committee | — | Hartford | July 8, 1999 |
| Blue Cross & Blue Shield PAC-S | — | Political Action Committee | — | North Haven | Oct. 26, 2004 |
| Bloomfield Republican Town Committee | Barbara Canfield | Party Committee | Republican | Bloomfield | Jan. 27, 1999 |
| Bloomfield Progressive Democrats | Patricia D. hill | Political Action Committee | — | Bloomfield | Nov. 8, 1999 |
| Bloomfield Education Association Political Action Committee | Howard M Dashefsky | Political Action Committee | — | West Hartford | April 25, 2011 |
| Bloomfield Democratic Town Committee | Bennett Millstein | Party Committee | Democrat | Bloomfield | Jan. 27, 1999 |
| Bloomfield Black Democratic Club PAC | Eric D. Coleman | Political Action Committee | — | Bloomfield | July 19, 1999 |
| Blint For Senate | Dwight F Blint | Candidate Committee | Republican | New Britain | Sept. 25, 2012 |
| Blick For Probate 2014 | Diane S. Blick | Candidate Committee | Democrat | Litchfield | March 14, 2014 |
| Blick For Probate 2010 | Diane S. Blick | Candidate Committee | Democrat | Litchfield | May 10, 2010 |
| Blankley For State Senate | John H Blankley | Candidate Committee | Democrat | Greenwich | April 25, 2016 |
| Blankley For State Representative | John H Blankley | Candidate Committee | Democrat | Greenwich | June 6, 2012 |
| Blankley for ct | John H Blankley | Exploratory Committee | Democrat | Greenwich | May 19, 2017 |
| Blair F. Bertaccini | Blair F. Bertaccini | Candidate Exemption Committee | Working Families | Waterbury | Oct. 4, 2010 |
| Blackwell for Senate 2002 | Jerry A. Blackwell | Candidate Committee | Republican | Bridgeport | July 24, 2002 |
| Blackwell for Senate | Jerry A. Blackwell | Candidate Committee | Republican | Bridgeport | March 14, 2003 |
| Blackwell 2004 | Jerry A. Blackwell | Candidate Committee | Republican | Bridgeport | July 8, 2004 |
| Blackwell 2000 | David H. Blackwell | Candidate Committee | Republican | Amston | Dec. 3, 1999 |
| Blackwell '08 | David H. Blackwell | Candidate Committee | Republican | Manchester | Feb. 14, 2008 |
| Blackman 2000 | Paul-Robert Blackman | Candidate Committee | Republican | Harwinton | May 17, 2000 |
| Black Catalysts | Adrienne L Billings-Smith | Political Action Committee | — | West Hartford | Feb. 1, 2026 |
| BIZ PAC | — | Political Action Committee | — | Waterbury | Oct. 20, 2006 |
| Bipartisan Coalition for Children | James H. Maloney | Political Action Committee | — | Danbury | Sept. 30, 2005 |
| Bingaman 2004 | — | Candidate Committee | Republican | Danbury | June 7, 2004 |
| Billie Miller4CT | Patricia Billie Miller | Candidate Committee | Democrat | Stamford | Jan. 6, 2021 |
| Billie Miller 2026 | Patricia Billie Miller | Candidate Committee | Democrat | Stamford | Dec. 31, 2025 |
| Billie Miller 2024 | Patricia Billie Miller | Candidate Committee | Democrat | Stamford | Jan. 8, 2024 |
| Billie Miller 2020 | Patricia Billie Miller | Candidate Committee | Democrat | Stamford | June 3, 2020 |
| Billie Miller 2018 | Patricia Billie Miller | Candidate Committee | Democrat | Stamford | Feb. 6, 2018 |
| Billie Miller 2016 | Patricia Billie Miller | Candidate Committee | Democrat | Stamford | April 6, 2016 |
| Billie Miller 2014 | Patricia Billie Miller | Candidate Committee | Democrat | Stamford | June 2, 2014 |
| Billie Miller 2012 | Patricia Billie Miller | Candidate Committee | Democrat | Stamford | May 30, 2012 |
| Billie Miller 2010 | Patricia Bille Miller | Candidate Committee | Democrat | Stamford | June 1, 2010 |
| BillforCT | William T Heughins | Candidate Committee | Democrat | Pawcatuck | Jan. 19, 2026 |
| Bill Stewart For State Representative 2008 | William E. Stewart | Candidate Committee | Democrat | Bridgeport | June 18, 2008 |
| Bill Scheffler For State Representative | William L. Scheffler | Candidate Committee | Democrat | Westport | July 31, 2000 |
| Bill Mecca | Bill Mecca | Candidate Exemption Committee | Democrat | Trumbull | Aug. 7, 2017 |
| Bill Loftus For State Senate | William P Loftus | Candidate Committee | Democrat | Woodstock | April 28, 2014 |
| Bill Kemp | Bill Kemp | Candidate Exemption Committee | Republican | Stamford | May 31, 2016 |
| Bill Keany for State Representative | William N. Keany | Candidate Committee | Republican | West Hartford | Aug. 19, 2002 |
| Bill Harris for 136th | — | Candidate Committee | Republican | Westport | July 26, 2006 |
| Bill Hamzy State Rep. | William A. Hamzy | Candidate Committee | Republican | Bristol | Dec. 27, 1999 |
| Bill for State Rep | William S Davidson | Candidate Committee | Republican | Wethersfield | June 14, 2024 |
| Bill Dunne For Ct Senate 2014 | William P Dunne | Candidate Committee | Republican | Norwalk | May 21, 2014 |
| Bill Curry For Governor 02 | William E. Curry | Candidate Committee | Democrat | Rocky Hill | Sept. 7, 2001 |
| Bill Collins For State Representative | Billy G Collins | Candidate Committee | Green Party | Waterford | July 23, 2014 |
| Bill Campbell for State Rep. | Bill F. Campbell | Candidate Committee | Republican | Tolland | June 20, 2006 |
| Biggins 2026 | Patrick R Biggins | Candidate Committee | Democrat | East Hartford | Dec. 29, 2025 |