Cognomen แฉ (查 
, แฉ 
) , all around the world, is a widespread family name. The surname แฉ is characteristic of Eastern Asia, particularly China, where it is quite a common surname. Much less frequently, แฉ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 查 | China |
| แฉ | Thailand |