Cognomen รูจี (Ruchi 
, รูจี 
) , throughout the world, is quite a rare family name. The cognomen รูจี is characteristic of North Macedonia, where it is a rare surname, India, and Argentina. Not in comparison with a country's population, it is commonest in India, Bangladesh, and Indonesia. Much more frequently, รูจี is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruchi | United Arab Emirates, United States, Bangladesh, Nepal, India |
| รูจี | Thailand |