Cognomen นิยมลาภ (นิยมลาภ 
, Niyomlab , Niyomlap 
) , worldwide, is a rare family name. The family name นิยมลาภ is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Niyomlab, นิยมลาภ | Thailand |
| Niyomlap | United States, Thailand |