Family name Uthaisangchai (Uthaisangchai 
) , all over the world, is a very rare surname. The surname Uthaisangchai is habitual in Thailand, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Uthaisangchai | Malaysia, United States, Thailand |