Cognomen มงคลมหาลาภ (มงคลมหาลาภ 
, Mongkhonmaha , Mongkolmahalap ) , globally, is a very rare family name. The last name มงคลมหาลาภ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mongkhonmaha, มงคลมหาลาภ, Mongkolmahalap | Thailand |