Thenthinnalur 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 Thenthinnalur was 888 which includes 453 males and 435 females. Thenthinnalur covers 137.44 ha area. Pincode of Thenthinnalur is 604501.