Nathamalai is a village in Kattumannarkoil tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nathamalai was 1,229 which includes 566 males and 663 females. Nathamalai covers 80.05 ha area. Pincode of Nathamalai is 608302.