Worldwide, พัฒนฤทธิ์ (พัฒนฤทธิ์ 
) is a very rare dominantly male, but uncommonly feminine given name. The forename พัฒนฤทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare dominantly masculine, but infrequently girly name.
| VARIANT | COUNTRY |
|---|---|
| พัฒนฤทธิ์ | Thailand |