| Uchinathar Temple | |
|---|---|
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| Religion | |
| Affiliation | Hinduism |
| District | Cuddalore |
| Deity | Uchinathar (Shiva) and Uchinayagi (Parvati) |
| Location | |
| Location | Sivapuri Chidambaram |
| State | Tamil Nadu |
| Country | India |
  Location in Tamil Nadu | |
| Geographic coordinates | 11°22′22.4″N 79°42′48.3″E / 11.372889°N 79.713417°E |
| Architecture | |
| Type | South Indian Architecture |
Sivapuri Uchinathar Temple (also called Thirunelvayil) is a Hindu temple located at Sivapuri in Cuddalore district of Tamil Nadu, India. The place is also known as Thirunelvayil. The presiding deity is Shiva. He is called as Uchinathar. His consort is known as Uchinayagi.
The presiding deity is revered in the 7th century Tamil Saiva canonical work, the Tevaram, written by Tamil saint poets known as the nayanmars and classified as Paadal Petra Sthalam. The temple complex covers an area of one acre and all its shrines are enclosed with concentric rectangular walls. The temple has a number of shrines, with those of Uchinathar and his consort Uchinayagi being the most prominent.
The temple has three daily rituals at various times from 6:00 a.m. to 8:30 p.m., and four yearly festivals on its calendar. Vaikasi Visagam during the Tamil month of Vaikasi (May - June) is the most prominent festival celebrated in the temple.