Leng Dung is a village in Sangdupota tehsil in district of Papum Pare, Arunachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Leng Dung was 82 which includes 40 males and 42 females. Leng Dung covers N/A area. Pincode of Leng Dung is N/A.