Tharmanallur 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 Tharmanallur was 1,738 which includes 877 males and 861 females. Tharmanallur covers 541.8 ha area. Pincode of Tharmanallur is 606103.