Alanganatham is a village in Kattumannarkoil tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Alanganatham was 945 which includes 478 males and 467 females. Alanganatham covers 189.16 ha area. Pincode of Alanganatham is 608303.