Cognomen ฉลองปิยรัตน์ (ฉลองปิยรัตน์ 
) , throughout the world, is a very rare surname. The cognomen ฉลองปิยรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฉลองปิยรัตน์ | Thailand |