Nachiyarpettai is a village in Ulundurpettai tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nachiyarpettai was 1,169 which includes 583 males and 586 females. Nachiyarpettai covers 82.64 ha area. Pincode of Nachiyarpettai is 606107.