Mahtiniya is a village in Domariyaganj tehsil in district of Siddharthnagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Mahtiniya was 942 which includes 494 males and 448 females. Mahtiniya covers 93.04 ha area. Pincode of Mahtiniya is N/A.