Around the globe, นิรวุฒิ (นิรวุฒิ 
) is a very rare boy's forename. The first name นิรวุฒิ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare boy's name. Very seldom, นิรวุฒิ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| นิรวุฒิ | Thailand |