Last name เฉลยไข (เฉลยไข 
) , worldwide, is a very rare family name. The cognomen เฉลยไข is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, เฉลยไข is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เฉลยไข | Thailand |