Kattoor is a village in Ponneri tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kattoor was 3,425 which includes 1,726 males and 1,699 females. Kattoor covers 1196.72 ha area. Pincode of Kattoor is 601203.