Athinathapuram is a village in Tiruchendur tehsil in district of Thoothukkudi, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Athinathapuram was 1,412 which includes 713 males and 699 females. Athinathapuram covers 299.17 ha area. Pincode of Athinathapuram is 628612.