Surname มงคลกิจ (Mongkolkit 
, มงคลกิจ , Mongkollikhit ) , worldwide, is a rare family name. The surname มงคลกิจ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Also, มงคลกิจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mongkolkit | United States, Thailand |
| Mongkollikhit, มงคลกิจ | Thailand |