Cognomen ฉาง (Chang 
, Nchang 
, ฉาง 
) , around the world, is a prevalent surname. The surname ฉาง 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). Measured by absolute frequency, it most frequently occurs in China, Taiwan, and the United States. Much less frequently, ฉาง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chang | Taiwan, United States, Indonesia, Malaysia, China |
| Nchang | United Arab Emirates, Cameroon, United Kingdom, United States, India |
| ฉาง | Thailand |