In all the world, ฤทธิ์ธิชัย (ฤทธิ์ธิชัย 
) is a very rare mostly male, but uncommonly feminine forename. The forename ฤทธิ์ธิชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly male, but uncommonly female name. Very seldom, ฤทธิ์ธิชัย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ฤทธิ์ธิชัย | Thailand |