Kuiyan is a village in Nichlaul tehsil in district of Mahrajganj, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Kuiyan was 2,370 which includes 1,215 males and 1,155 females. Kuiyan covers 103.5 ha area. Pincode of Kuiyan is N/A.