Worldwide, ประกาศชัย (ประกาศชัย 
) is a very rare mostly male, but seldom female forename. The first name ประกาศชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly masculine, but infrequently girly name. Much less frequently, ประกาศชัย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ประกาศชัย | Thailand |