Thanilappadi is a village in Kilvelur tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thanilappadi was 1,201 which includes 588 males and 613 females. Thanilappadi covers 331.34 ha area. Pincode of Thanilappadi is 611109.