Thauna is a village in Siana tehsil in district of Bulandshahr, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Thauna was 3,268 which includes 1,682 males and 1,586 females. Thauna covers 242.15 ha area. Pincode of Thauna is 245405.