Rayaregunathasamudram is a village in Thirumayam tehsil in district of Pudukkottai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Rayaregunathasamudram was 228 which includes 108 males and 120 females. Rayaregunathasamudram covers 161.18 ha area. Pincode of Rayaregunathasamudram is 622506.