Kattavilagam is a village in Tiruvadanai tehsil in district of Ramanathapuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kattavilagam was 1,681 which includes 897 males and 784 females. Kattavilagam covers 1288.79 ha area. Pincode of Kattavilagam is 623303.