Thiruvadanai is a village in Tiruvadanai tehsil in district of Ramanathapuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thiruvadanai was 9,702 which includes 4,916 males and 4,786 females. Thiruvadanai covers 1211.53 ha area. Pincode of Thiruvadanai is 623407.