Surname รงฤทธิ์ (Rongrit 
, รงฤทธิ์ ) , globally, is a very rare cognomen. The cognomen รงฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Also, รงฤทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| รงฤทธิ์, Rongrit | Thailand |