Theo Tangani is a village in Rupahi tehsil in district of Nagaon, Assam, India. As per the data provided by Census of India in 2011, total population of Theo Tangani was 2,499 which includes 1,313 males and 1,186 females. Theo Tangani covers 133.02 ha area. Pincode of Theo Tangani is 782124.