Hathiyar is a village in Dudhi tehsil in district of Sonbhadra, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Hathiyar was 1,178 which includes 603 males and 575 females. Hathiyar covers 460.69 ha area. Pincode of Hathiyar is 231223.