All over the world, ยาใจ (ยาใจ 
, Yajai 
, Yachai 
) is quite a rare mostly girly, but seldom male first name. The given name ยาใจ is habitual in Thailand, where it is quite a rare largely girly, but infrequently masculine name, and India, where it is an extremely rare unisex name. Very seldom, ยาใจ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ยาใจ | Thailand |
| Yajai | Thailand, United States, India, Mexico, Malaysia |
| Yachai | Thailand, United States, Israel, India, China |