Thennangur is a village in Vandavasi tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thennangur was 1,943 which includes 990 males and 953 females. Thennangur covers 387.68 ha area. Pincode of Thennangur is 604408.