Cognomen ก๋องใจ (Kongchai 
, ก๋องใจ) , across the world, is quite a rare surname. The surname ก๋องใจ is characteristic of Thailand, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Cambodia. In absolute terms, it is the most numerous in Thailand, the United States, and New Zealand. Very seldom, ก๋องใจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kongchai | Thailand, India, United States, Laos, Cambodia |