Nayanamarni is a village in Narayanpur tehsil in district of Jamtara, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Nayanamarni was 73 which includes 36 males and 37 females. Nayanamarni covers 15 ha area. Pincode of Nayanamarni is 815352.