Family name นิรภาพ (นิรภาพ 
) , all over the world, is an extremely rare cognomen. The surname นิรภาพ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, นิรภาพ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| นิรภาพ | Thailand |