Thiruvillaiyattam is a village in Tharangambadi tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thiruvillaiyattam was 3,238 which includes 1,620 males and 1,618 females. Thiruvillaiyattam covers 464.11 ha area. Pincode of Thiruvillaiyattam is 609306.