Hmartlangmoi is a village in Haflong tehsil in district of Dima Hasao, Assam, India. As per the data provided by Census of India in 2011, total population of Hmartlangmoi was 171 which includes 82 males and 89 females. Hmartlangmoi covers N/A area. Pincode of Hmartlangmoi is N/A.