Reghunathapuram is a village in Valangaiman tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Reghunathapuram was 1,649 which includes 825 males and 824 females. Reghunathapuram covers 310.61 ha area. Pincode of Reghunathapuram is 612704.