Punnaivanam is a village in Sankarankoil tehsil in district of Tirunelveli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Punnaivanam was 933 which includes 452 males and 481 females. Punnaivanam covers 176.38 ha area. Pincode of Punnaivanam is 627755.