Last name Chanseng (Chanseng 
, จันทร์เส็ง , จันเซ่ง) , worldwide, is a rare family name. The family name Chanseng is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and Cambodia. In absolute terms, it most frequently occurs in Thailand, Malaysia, and China. Very seldom, Chanseng is the forename as well as the last name.