Cognomen รุชา (Rucha 
, รุชา 
) , all over the world, is quite a rare last name. The last name รุชา is habitual in Israel, where it is quite a rare surname, Portugal, where it is a rare surname, and Kenya. Not in comparison with a country's population, the name is most common in Israel, Kenya, and Germany. More frequently, รุชา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rucha | Germany, Kenya, Israel, India, Democratic Republic of the Congo |
| รุชา | Thailand |