Thennampattu is a village in Cheyyar tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thennampattu was 2,339 which includes 1,184 males and 1,155 females. Thennampattu covers 553.84 ha area. Pincode of Thennampattu is 632511.