Globally, ธัมมวัฒน์ (ธัมมวัฒน์ 
) is a very rare dominantly male, but seldom female first name. The given name ธัมมวัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare dominantly masculine, but uncommonly feminine name.
| VARIANT | COUNTRY |
|---|---|
| ธัมมวัฒน์ | Thailand |
มณีวรรณ, ธรรมคุณวงศ์, and เสริมสกุลไทย