Kunnappattu is a village in Chengalpattu tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kunnappattu was 908 which includes 464 males and 444 females. Kunnappattu covers 313.81 ha area. Pincode of Kunnappattu is 603105.