Melaiyur is a village in Kuthalam tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Melaiyur was 2,281 which includes 1,083 males and 1,198 females. Melaiyur covers 270.49 ha area. Pincode of Melaiyur is 609808.