Vinnavanur is a village in Chengam tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Vinnavanur was 1,926 which includes 973 males and 953 females. Vinnavanur covers 363.46 ha area. Pincode of Vinnavanur is 606704.