Kadanthethi is a village in Vedaranyam tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kadanthethi was 1,440 which includes 729 males and 711 females. Kadanthethi covers 436.38 ha area. Pincode of Kadanthethi is 614712.