Surname นิยมคุณ (Niyomkhun 
, นิยมคุณ , Niyomkoun 
) , all over the world, is a rare cognomen. The surname นิยมคุณ is characteristic of Thailand, where it is a rare surname, Singapore, and the United States, where it is an extremely rare surname. Very seldom, นิยมคุณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niyomkhun | Singapore, Thailand |
| นิยมคุณ | Thailand |
| Niyomkoun | United States |