Cognomen รุช (Rut 
, รุช 
) , globally, is a common surname. The surname รุช is habitual in Israel, where it is a common surname, Iceland, where it is quite a common surname, and Honduras, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Israel, Mexico, and Spain. More frequently, รุช is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rut | Indonesia, Mexico, Israel, Spain, India |
| รุช | Thailand |