Family name มงคลไชย (มงคลไชย 
) , in all the world, is a very rare last name. The family name มงคลไชย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, มงคลไชย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| มงคลไชย | Thailand |