Surname ราธา (Ratha 
, ราธา ) , all around the world, is quite a common family name. The cognomen ราธา is habitual in Sri Lanka, where it is quite a rare surname, Malaysia, and Kuwait. In absolute terms, it most frequently occurs in India, Sri Lanka, and Malaysia. Likewise, ราธา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ratha | Cambodia, Sri Lanka, Malaysia, Thailand, India |
| ราธา | Thailand |