All over the world, โยชัย (Yochai 
, โยชัย , Yo Chai 
) is a very rare principally male, but very seldom girly forename. The first name โยชัย is habitual in Israel, where it is a rare boy's name, Thailand, where it is a very rare male name, and the United States, where it is an extremely rare boy's name. Also, โยชัย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Yochai | Israel, South Africa, India, Thailand, United States |
| โยชัย | Thailand |
| Yo Chai | Malaysia |