Reghunathapuram is a village in Peravurani tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Reghunathapuram was 488 which includes 245 males and 243 females. Reghunathapuram covers 71.92 ha area. Pincode of Reghunathapuram is 614804.