Thennamanadunorth is a village in Orathanadu tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thennamanadunorth was 1,356 which includes 634 males and 722 females. Thennamanadunorth covers 807.41 ha area. Pincode of Thennamanadunorth is 614625.