A gourd mouth organ is a traditional wind instrument found in many nations of and Asia. It is a free reed mouth organ similar to the Chinese '''' but with a windchest made from a dried bottle gourd rather than metal or wood. Its pipes are made of bamboo and it has free reeds that may be made of bamboo or metal.
In China, gourd mouth organs are referred to by the generic name ''hulusheng'' . They are used as folk instruments by such as the Lahu, Lisu, Akha, and , who have their own names for the instrument in their own languages; the instrument varies in construction and playing technique from ethnic group to ethnic group. It is found most frequently in China's province of Yunnan as well as in several other provinces of southern China.
Similar instruments are found in Thailand , Laos, Cambodia, Myanmar, Bangladesh, Vietnam , and Borneo.
Open holes on the bottom of the pipes in some gourd mouth organs allow for the .
The ''lusheng'' of the , , and people has a similar name but its windchest is made from an elongated tube of wood rather than gourd.