Tiruvaikuntam, also referred to as Srivaikuntam is a panchayat town in Thoothukudi district in the Indian state of Tamil Nadu.

Thiruvaikuntam has a temple dedicated to Vishnu, known as Tiruvaikuntapathi Swami, with a lofty gopuram.

The Thiruvengada Mudaiyar Mandapam is rich with sculptures of Yallis, elephants and warriors.

During the period of conflict between the East India Company forces and Veera Pandiya Kattabomman, the temple served as a fort.

Tiruvaikuntam has a considerable population of Appanad Maravars and Brahmins in that region Bus services are conducted from Madurai, Tirunelveli, Tiruchendur and Thoothukudi through Tiruvaikuntam.