Hathiawan is a village in Khizirsarai tehsil in district of Gaya, Bihar, India. As per the data provided by Census of India in 2011, total population of Hathiawan was 3,860 which includes 1,965 males and 1,895 females. Hathiawan covers 356 ha area. Pincode of Hathiawan is N/A.