Siyari Gahna is a village in Bansgaon tehsil in district of Gorakhpur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Siyari Gahna was 20 which includes 10 males and 10 females. Siyari Gahna covers 46.42 ha area. Pincode of Siyari Gahna is N/A.