Kilnagar Perumal Temple is situated at Kilnagar, in Thiruvannamalai District of Tamil Nadu. It is about 12 km from Arani. The temple enshrines Lord Varadaraja Perumal as the presiding deity, flanked by Sridevi and Bhudevi on either side. Separate shrine for Lakshmi Narayana is seen in the temple complex. Large number of devotees visits this temple in ardent devotion.