Swetharanyeswarar Temple is a Hindu temple dedicated to the deity Shiva, located in Thiruvenkadu, a village in Mayiladuthurai district in the South Indian state of Tamil Nadu. Shiva is worshiped as Swetharanyeswarar, and is represented by the lingam. His consort Parvati is depicted as Brahmavidyambigai.
The presiding deity is revered in the 7th-century-CE Tamil Saiva canonical work, the Tevaram, written by Tamil saint poets known as the Nayanars and classified as Paadal Petra Sthalam. It is significant to the Hindu sect of Saivism as one of the temples associated with the nine planet elements, the Navagraha Stalas, and specifically Budha.
The temple complex covers around two acres and entered through a seven-tiered gopuram, the main gateway. The temple has a number of shrines, with those of Swetharanyesarar, Aghora and that of Nataraja, being the most prominent.
The temple has six daily rituals at various times from 6:00 a.m. to 8:00 p.m., and four yearly festivals on its calendar. Chitra Pournami and Aani Thirumanjanam during the Tamil month of Aaani (June–July) are the most prominent festivals celebrated in the temple.