In the entire world, เจง (Cheng 
, เจง 
) is a common epicene first name. The given name เจง is characteristic of Macao, where it is a common gender-neutral name, Hong Kong, and Singapore, where it is quite a common unisex name (explore the name in all countries). Measured by absolute frequency, this name is the most popular in China, Hong Kong, and the United States. More frequently, เจง is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Cheng | Hong Kong, Taiwan, United States, Malaysia, China |
| เจง | Thailand |
เจง is also a name for the fictitious and mythical characters: Cao Zheng , the Water Margin character; Wang Zheng , the Water Margin character; Li Cheng , the fictional character in Water Margin; Cheng Sinzan , the fictional character from Fatal Fury, Fatal Fury 2 and Cheng Zhi , the fictional character, 24, among other works.