Thenkunam is a village in Ulundurpettai tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thenkunam was 1,213 which includes 591 males and 622 females. Thenkunam covers 414.41 ha area. Pincode of Thenkunam is 607201.