Ragunathapuram is a village in Papanasam tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Ragunathapuram was 2,263 which includes 1,137 males and 1,126 females. Ragunathapuram covers 385.43 ha area. Pincode of Ragunathapuram is 614210.