Parsauna is a village in Lauriya tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Parsauna was 4,392 which includes 2,269 males and 2,123 females. Parsauna covers 341.73 ha area. Pincode of Parsauna is 845449.