Last name กรู (Qro 
, กรู , Krui 
) , in all the world, is a rare surname. The cognomen กรู is characteristic of Mexico, where it is a rare surname, Indonesia, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Very seldom, กรู is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Qro | Mexico, Spain, Malaysia, Thailand, United States |
| กรู | Thailand |
| Krui | Indonesia, Brazil, India |