Last name Daungchai (Daungchai 
) , all over the world, is a very rare family name. The last name Daungchai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Daungchai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Daungchai | United States, Thailand |