Kadayanodai is a village in Tiruchendur tehsil in district of Thoothukkudi, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Kadayanodai was 1,207 which includes 575 males and 632 females. Kadayanodai covers 196.18 ha area. Pincode of Kadayanodai is 628614.