Melappanaiyur is a village in Thirumayam tehsil in district of Pudukkottai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Melappanaiyur was 4,885 which includes 2,466 males and 2,419 females. Melappanaiyur covers 1442.09 ha area. Pincode of Melappanaiyur is 622412.