Kunnavakkam 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 Kunnavakkam was 1,259 which includes 643 males and 616 females. Kunnavakkam covers 351.79 ha area. Pincode of Kunnavakkam is 631701.