Lamuchuk Sariyani is a village in Subansiri tehsil in district of Dhemaji, Assam, India. As per the data provided by Census of India in 2011, total population of Lamuchuk Sariyani was 1,439 which includes 749 males and 690 females. Lamuchuk Sariyani covers 268 ha area. Pincode of Lamuchuk Sariyani is 787053.