Family name จังค์ (Chang 
, จังค์ 
) , all around the world, is a prevalent surname. The last name จังค์ is characteristic of Marshall Islands, where it is a widespread surname, Macao, and Taiwan, where it is a common surname (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in China, Taiwan, and the United States. Very seldom, จังค์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chang | Taiwan, United States, Indonesia, Malaysia, China |
| จังค์ | Thailand |