Tanrwa Tiwari is a village in Guthani tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Tanrwa Tiwari was 689 which includes 333 males and 356 females. Tanrwa Tiwari covers 124 ha area. Pincode of Tanrwa Tiwari is N/A.