Cognomen Chaidiao (ใจเดียว 
, Chaidiao ) , in all the world, is a rare family name. The family name Chaidiao is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Chaidiao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chaidiao, ใจเดียว | Thailand |