Namsahapur is a village in Dubrajpur tehsil in district of Birbhum, West Bengal, India. As per the data provided by Census of India in 2011, total population of Namsahapur was 386 which includes 202 males and 184 females. Namsahapur covers 74.37 ha area. Pincode of Namsahapur is 731104.