Cognomen ชาญประเสริฐสุข (ชาญประเสริฐสุข 
) , all around the world, is a very rare surname. The cognomen ชาญประเสริฐสุข is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ชาญประเสริฐสุข | Thailand |