10608 committees
| Name | Candidate | Type | Party | City | First Registered |
|---|---|---|---|---|---|
| Labriola 2004 | — | Candidate Committee | Republican | Naugatuck | Nov. 14, 2003 |
| Labriola 2002 | David K. Labriola | Candidate Committee | Republican | Naugatuck | Feb. 6, 2002 |
| Laborers' Local 665 Political Action Committee | Ron Nobili | Political Action Committee | — | Bridgeport | June 11, 1999 |
| Laborers' Local 665 | — | Political Action Committee | — | Bridgeport | Oct. 24, 2006 |
| Laborers Local 665 P.A.C. | — | Political Action Committee | — | Ansonia | Oct. 29, 2006 |
| Laborer's Local 665 Political Action Committee | — | Political Action Committee | — | Bridgeport | Jan. 10, 2006 |
| Laborer's Local 665 PAC | — | Political Action Committee | — | Derby | June 24, 2002 |
| Laborer's Local 665 | — | Political Action Committee | — | Bridgeport | July 2, 2002 |
| Labor United for Connecticut | Paul Filson | Independent Expenditure Political Committee | — | West Hartford | Sept. 22, 2016 |
| Labor for Democracy | Carol R. Censki | Political Action Committee | — | New Britain | March 25, 2002 |
| Labonte for Probate Judge | Gabrielle Labonte | Candidate Committee | Republican | Pomfret Center | Jan. 25, 2022 |
| Labanowski 2002 | Stephanie L. Labanowski | Candidate Committee | Republican | East Hartford | April 24, 2002 |
| La Alternative Politica Hector Robles for State Representative | Hector Robles | Candidate Committee | Democrat | Manchester | Feb. 3, 2004 |
| L2K PAC | — | Political Action Committee | — | East Hartford | Sept. 2, 2004 |
| L 2 K | Craig R. Stevenson | Political Action Committee | — | East Hartford | Jan. 27, 2000 |
| Kwasnicki 2016 | Robert Kwasnicki | Candidate Committee | Republican | Enfield | March 18, 2016 |
| Kwas For The 59Th | Robert R Kwasnicki | Candidate Committee | Republican | Enfield | May 15, 2014 |
| Kurt M. Ahlberg Judge of Probate 2018 | Kurt M Ahlberg | Candidate Committee | Republican | Stratford | Feb. 13, 2018 |
| Kurt for CT | William K Miller | Exploratory Committee | Republican | Seymour | Nov. 2, 2017 |
| Kupchick For State Rep | Brenda L Kupchick | Candidate Committee | Republican | Fairfield | Feb. 11, 2016 |
| Kupchick for State Rep | Brenda L Kupchick | Candidate Committee | Republican | Southport | Jan. 19, 2018 |
| Ku Is For You | Michelle Embree Ku | Candidate Committee | Democrat | Newtown | Jan. 7, 2026 |
| KristinHoffmanforSenate | Kristin Hoffman | Candidate Committee | Republican | Windsor | May 9, 2024 |
| Kristin Mott Purcell | Kristin Mott Purcell | Candidate Exemption Committee | Unaffiliated | Westport | Sept. 20, 2017 |
| Kristin A Schneeman | Kristin A Schneeman | Candidate Exemption Committee | Democrat | Westport | Sept. 14, 2017 |
| Kristian X Rosado | Kristian X Rosado | Candidate Exemption Committee | Republican | New Britain | Aug. 4, 2017 |
| Kristen Selleck 2014 | Kristen Selleck | Candidate Committee | Democrat | Cheshire | March 17, 2014 |
| Kristen Mostowy for Probate Judge | Kristen Mostowy | Candidate Committee | Democrat | Litchfield | Oct. 9, 2021 |
| Kristan Hamlin | Kristan Hamlin | Candidate Exemption Committee | Unaffiliated | Westport | July 27, 2017 |
| KRAUT FOR WESTPORT | Greg Kraut | Candidate Committee | Republican | Westport | May 23, 2018 |
| Kraut For Westport | Greg Kraut | Candidate Committee | Republican | Westport | May 23, 2018 |
| Kraut for CT ! | Greg Kraut | Exploratory Committee | Republican | Westport | Feb. 9, 2018 |
| Kramer for State Rep | David P Kramer | Candidate Committee | Republican | Unionville | March 12, 2020 |
| Kovaleski House 2000 | John S. Kovaleski | Candidate Committee | — | — | Aug. 2, 2000 |
| Kovaleski 2002 | John S. Kovaleski | Candidate Committee | Democrat | Torrington | May 6, 2002 |
| Kousidis4CTSenate | Elisavet Kousidis | Candidate Committee | Republican | Norwalk | March 30, 2020 |
| Kosta 04 | Kosta Diamantis | Candidate Committee | Democrat | Bristol | Dec. 16, 2003 |
| Kosta 02 | Kosta Diamantis | Candidate Committee | Democrat | Bristol | July 23, 2002 |
| Kosta '06' | Kosta Diamantis | Candidate Committee | Democrat | Bristol | Jan. 13, 2006 |
| Koskelowski 105 | Brian Koskelowski | Candidate Committee | Republican | Seymour | May 29, 2008 |
| Konspore for State Senate | JEFFREY M. KONSPORE | Candidate Committee | Republican | Norwalk | May 12, 2004 |
| Kolenberg For Senate | Robert A Kolenberg | Candidate Committee | Republican | Stamford | May 26, 2010 |
| Kolenberg 2016 | Steven B Kolenberg | Candidate Committee | Republican | Stamford | Jan. 8, 2016 |
| Kolenberg 2011 | Robert A Kolenberg | Candidate Committee | Republican | Stamford | Jan. 5, 2011 |
| Kolenberg 2010 | Robert A Kolenberg | Exploratory Committee | Republican | Stamford | Jan. 29, 2010 |
| Knox 2008 | Thomas I. Knox | Candidate Committee | Republican | West Hartford | June 16, 2008 |
| Knowledge for a Better Future | Kathleen D. Collins | Political Action Committee | — | Hartford | Jan. 30, 2004 |
| Knowledge For A Better Future | Kathleen D. Collins | Political Action Committee | — | Hartford | Jan. 30, 2004 |
| Knott For Governor | Josepg G. Knott | Candidate Committee | Libertarian Party | Southington | July 7, 2002 |
| Knotek for the 34th | Richard E Knotek | Candidate Committee | Democrat | East Hampton | May 20, 2024 |