Cognomen ริทช์ (Rit 
, ริทช์ 
) , in the entire world, is a common surname. The surname ริทช์ is characteristic of Malaysia, where it is quite a rare surname, Albania, and Myanmar. Not in comparison with a country's population, it most frequently occurs in India, Malaysia, and Myanmar. Also, ริทช์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rit | Myanmar, Indonesia, Malaysia, India, Algeria |
| ริทช์ | Thailand |