| Type: | SLA |
| Constituency No: | 32 |
| District: | Chengalpattu |
| Loksabha Cons: | Kancheepuram |
| State: | Tamil Nadu |
| Mla: | M. Varalakshmi |
| Latest Election Year: | 2021 |
| Chengalpattu | |
| Electors: | 4,28,379[1] |
| Reservation: | None |
Chengalpattu is a state assembly constituency in Chengalpattu district, Tamil Nadu, India.[2] Its State Assembly Constituency number is 32. It comprises a portion of Chengalpattu taluk and is a part of the Kancheepuram constituency for national elections to the Parliament of India.[3] It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu, in India.
The Vanniyar community is the majority community in this constituency with around 30% population.
The population of other communities are: Paraiyar 22%, All Vellala Mudhaliyars + Senguntha Mudhaliyars 15%, All kinds of Naidus 8%, Konar 7% and 5% Muslims.
| Year | Winner | Party | |
|---|---|---|---|
| 1952 | K. Vinayakam | ||
| 1957 | Appavu and Muthuswamy Naicker | ||
| 1962 | C. G. Viswanathan | ||
| 1967 | C. G. Viswanathan | ||
| Year | Winner | Party | |
|---|---|---|---|
| 1971 | C. G. Viswanathan | ||
| 1977 | P. G. Anoor Jegadeesan | ||
| 1980 | P. G. Anoor Jegadeesan | ||
| 1984 | P. G. Anoor Jegadeesan | ||
| 1989 | V. Tamilmani | ||
| 1991 | C. D. Varadarajan | ||
| 1996 | V. Tamilmani | ||
| 2001 | K. Arumugam | ||
| 2006 | K. Arumugam | ||
| 2011 | D. Murugesan | ||
| 2016 | M. Varalakshmi[4] | ||
| 2021 | M. Varalakshmi | ||