Santhanampattu 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 Santhanampattu was 869 which includes 431 males and 438 females. Santhanampattu covers 146.83 ha area. Pincode of Santhanampattu is 603105.