Surname เดือนเพ็ง (Duanpeng 
, เดือนเพ็ง , Duenpheng ) , across the world, is a rare last name. The surname เดือนเพ็ง is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, เดือนเพ็ง is the forename as well as the last name.