Cognomen Emchai (เอมใจ 
, Emchai) , all around the world, is a rare last name. The surname Emchai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, Emchai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เอมใจ | Thailand |