Family name ชุมชาย (ชุมชาย 
) , throughout the world, is an extremely rare cognomen. The family name ชุมชาย is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, ชุมชาย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ชุมชาย | Thailand |