Katchanam is a village in Thiruthuraipoondi tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Katchanam was 2,403 which includes 1,169 males and 1,234 females. Katchanam covers 313.13 ha area. Pincode of Katchanam is 610201.