Mahuatanr is a village in Barhi tehsil in district of Hazaribagh, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Mahuatanr was 398 which includes 210 males and 188 females. Mahuatanr covers 198 ha area. Pincode of Mahuatanr is 825413.