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