Changlun (Thai:จังโหลน; rtgs:Chang Lon) is a main border town in Kedah, Malaysia. It is located in the district of Kubang Pasu, about 42km north from Alor Star and 8km near Bukit Kayu Hitam. The word changlun originates from Thai, Changlon (Thai:ช้างหล่น), which means "fallen elephant".