Thethambattu 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 Thethambattu was 2,430 which includes 1,245 males and 1,185 females. Thethambattu covers 530.14 ha area. Pincode of Thethambattu is 608703.