Lao Duang Duean (Thai: ลาวดวงเดือน, Thai pronunciation: [laːw duaŋ dɯan]) is the classical Thai musical composition of Prince Benbadhanabongse, son of King Rama V. It was composed in 1909 as the original title Lao Damnoen Kwian and was later changed to the new title Lao Duang Duean.
