Globally, วุฒินาจ (วุฒินาจ 
) is a very rare male first name. The given name วุฒินาจ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| วุฒินาจ | Thailand |
ตุมสุวรรณ์, and ปัทมาวณิชสกุล