Lakhnaur is a village in Madhuban tehsil in district of Mau, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Lakhnaur was 3,971 which includes 1,953 males and 2,018 females. Lakhnaur covers 714.08 ha area. Pincode of Lakhnaur is 221602.