Poonamallee (state assembly constituency)
Poonamallee is a state assembly constituency in Tiruvallur district in Tamil Nadu. The seat is reserved for candidates from the Scheduled Castes. It comprises portions of the Poonamallee and Thiruvallur taluks and is a part of the Thiruvallur constituency for national elections to the Parliament of India.
Members of the Legislative Assembly
KeyElections and winners in the constituency are listed below:
| Year | Winner | Party |
| 1977 | D. Rajarathinam | Dravida Munnetra Kazhagam |
| 1980 | D. Rajarathinam | Dravida Munnetra Kazhagam |
| 1984 | G. Ananthakrishna | Indian National Congress |
| 1989 | T. R. Masilamani | Dravida Munnetra Kazhagam |
| 1991 | D. Sudarsanam | Indian National Congress |
| 1996 | D. Sudarsanam | Tamil Maanila Congress |
| 2001 | S. Shanmugam | Pattali Makkal Katchi |
| 2006 | D. Sudarsanam | Indian National Congress |
| 2011 | R. Manimaran | All India Anna Dravida Munnetra Kazhagam |
| 2016 | T. A. Elumalai | All India Anna Dravida Munnetra Kazhagam |
| By-Election 2019 | A. Krishnaswamy | Dravida Munnetra Kazhagam |