Melathayanur is a village in Tirukkoyilur tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Melathayanur was 2,092 which includes 1,061 males and 1,031 females. Melathayanur covers 309.57 ha area. Pincode of Melathayanur is 605757.