Thiruporur is a panchayat town in Chengalpattu district in the Indian state of Tamil Nadu.

The Thiruporur Kandaswamy temple is situated in the center of the town.

Thiruporur is located on Old Mahabalipuram Road and is flanked by Kelambakkam on one side and Alathur Pharmaceutical Industrial Estate on the other side, both of which are also on Old Mahabalipuram Road.

As of 2001[update] India census,[3] Thiruporur had a population of 13,666.

In Thiruporur, 13% of the population is under 6 years of age.