Pillaiyarnattam is a village in Natham tehsil in district of Dindigul, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Pillaiyarnattam was 4,478 which includes 2,253 males and 2,225 females. Pillaiyarnattam covers 1471.86 ha area. Pincode of Pillaiyarnattam is 624403.