Harsaina is a village in Kasganj tehsil in district of Kanshiram Nagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Harsaina was 3,197 which includes 1,752 males and 1,445 females. Harsaina covers 357.79 ha area. Pincode of Harsaina is 207124.