Cognomen รัชด์ (Ratcha 
, รัชด์ ) , around the world, is quite a common family name. The surname รัชด์ is characteristic of India, where it is a rare surname, and Thailand. Very seldom, รัชด์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ratcha | Malaysia, Philippines, United States, Thailand, India |
| รัชด์ | Thailand |