Kuinya is a village in Maharajganj tehsil in district of Mahrajganj, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Kuinya was 2,557 which includes 1,272 males and 1,285 females. Kuinya covers 176.47 ha area. Pincode of Kuinya is 273307.