Family name ชายฉลาด (ชายฉลาด 
) , all over the world, is a very rare cognomen. The last name ชายฉลาด is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ชายฉลาด is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ชายฉลาด | Thailand |