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