Surname Lao Chai (Lao Chai, เลาหชัย 
, เหลาไชย ) , throughout the world, is a rare last name. The last name Lao Chai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| เหลาไชย, เลาหชัย | Thailand |