Siayathu is a village in Lakhimpur tehsil in district of Kheri, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Siayathu was 3,028 which includes 1,607 males and 1,421 females. Siayathu covers 439.18 ha area. Pincode of Siayathu is 262701.