Sajawanharnathpur is a village in Jaisinghpur tehsil in district of Sultanpur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Sajawanharnathpur was 601 which includes 292 males and 309 females. Sajawanharnathpur covers 120.7 ha area. Pincode of Sajawanharnathpur is 228141.