| Type: | SLA |
| Constituency No: | 48 |
| District: | Tirupathur |
| Loksabha Cons: | Vellore |
| State: | Tamil Nadu |
| Mla: | A. C. Vilwanathan |
| Latest Election Year: | 2021 |
| Ambur | |
| Electors: | 2,37,993[1] |
| Reservation: | None |
Ambur is a state assembly constituency in Tirupattur district in Tamil Nadu, India. Its State Assembly Constituency number is 48. It comprises portions of the Vellore and Vaniyambadi taluks and is a part of the Vellore constituency for national elections to the Parliament of India.[2] It was in existence from 1957 to 1971 state elections of Madras State, following which it became a constituency of Tamil Nadu. It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu, in India.
| Assembly | Year | Winner | Party | |
|---|---|---|---|---|
| Second | 1957 | V. K. Krishnamurthy | ||
| S. R. Munusamy | ||||
| Third | 1962 | P. Rajagopal | ||
| Fourth | 1967 | M. Panneerselvam | ||
| Assembly | Year | Winner | Party | |
|---|---|---|---|---|
| Fifth | 1971 | M. Panneerselvam | ||
| Sixth | 1977 | |||
| Seventh | 1980 | |||
| Eighth | 1984 | |||
| Ninth | 1989 | |||
| Tenth | 1991 | |||
| Eleventh | 1996 | |||
| Twelfth | 2001 | |||
| Thirteenth | 2006 | |||
| Fourteenth | 2011 | A. Aslam Basha | ||
| Fifteenth | 2016 | R. Balasubramani - disqualification by Assembly Speaker 2017[3] | ||
| By-Poll | 2019 | A. C. Vilwanathan | ||
| Sixteenth | 2021 | A. C. Vilwanathan | ||