Kailasanatharkoil is a village in Mannargudi tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kailasanatharkoil was 509 which includes 247 males and 262 females. Kailasanatharkoil covers 362.32 ha area. Pincode of Kailasanatharkoil is 614014.