Mujainna is a village in Utraula tehsil in district of Balrampur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mujainna was 2,191 which includes 1,092 males and 1,099 females. Mujainna covers 129.2 ha area. Pincode of Mujainna is 271609.