Last name ไวนุสรณ์ (ไวนุสรณ์ 
) , across the world, is an extremely rare cognomen. The family name ไวนุสรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ไวนุสรณ์ | Thailand |