Regunayagipuram 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 Regunayagipuram was 563 which includes 264 males and 299 females. Regunayagipuram covers 78.22 ha area. Pincode of Regunayagipuram is 614802.