Thiruvilandur is a town situated to the north of the town of Mayiladuthurai in Tamil Nadu, India. The area is also called Indalur. It is considered to be a suburb of Mayiladuthurai. The township is famous for Parimala Ranganatha Perumal temple of lord Vishnu, which is one of the 108 divyadesams of Mahavishnu and one of the Pancharanga kshetrams.