Cognomen ชะ (Cha 
, ជះ 
, ชะ 
) , around the globe, is a widespread surname. The surname ชะ is habitual in Algeria, where it is quite a common surname, Cayman Islands, and Hong Kong (explore the name in all countries). In absolute terms, the name is most common in China, Algeria, and India. Much less frequently, ชะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cha | Indonesia, China, United States, India, Algeria |
| ជះ | Cambodia |
| ชะ | Thailand |