Family name คุณวุฒิ (คุณวุฒิ 
, Kunnawut , Khunnawut ) , across the world, is a rare last name. The cognomen คุณวุฒิ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, คุณวุฒิ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khunnawut, Kunnawut, คุณวุฒิ, Khunwut | Thailand |
Khunavute, Khunavuthi, Khunawudh, Khunawuthi, Khunvut, and Kunavudhi
| สลา คุณวุฒิ Thai Luk thung songwriters, TH (b. 1962) |
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