| Type: | SLA |
| Constituency No: | 173 |
| Established: | 1957 |
| District: | Thanjavur |
| Loksabha Cons: | Thanjavur |
| State: | Tamil Nadu |
| Mla: | Durai Chandrasekaran |
| Latest Election Year: | 2021 |
| Tiruvaiyaru | |
| Electors: | 2,68,353[1] |
| Reservation: | None |
Tiruvaiyaru is a state assembly constituency in Thanjavur district in Tamil Nadu.[2] The constituency is in existence since 1957 election.Most successful party: DMK (8 times). It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu, in India.
| Year | Winner | Party | |
|---|---|---|---|
| 1957 | R. Swaminatha Merkondar | ||
| 1962 | Palani | ||
| 1967 | G. M. Sethurar | ||
| Year | Winner | Party | |
|---|---|---|---|
| 1971 | G. Elangovan | ||
| 1977 | |||
| 1980 | M. Subramanian | ||
| 1984 | Durai Govindarajan | ||
| 1989 | Durai Chandrasekaran | ||
| 1991 | P. Kalaiperumal | ||
| 1996 | Durai Chandrasekaran | ||
| 2001 | K. Ayyaru Vandayar | ||
| 2006 | Durai Chandrasekaran | ||
| 2011 | M. Rethinasamy | ||
| 2016 | Durai Chandrasekaran | ||
| 2021 | |||