Sepalanatham is a village in Virudhachalam tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sepalanatham was 9,222 which includes 4,692 males and 4,530 females. Sepalanatham covers 636.34 ha area. Pincode of Sepalanatham is 607802.