Across the world, Stui (Stui 
, Стуй 
) is a very rare masculine forename. The first name Stui is habitual in Latin America and the Caribbean, particularly Guatemala, where it is a rare masculine name. Also, Stui is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Stui | Guatemala, United States, Brazil, Netherlands |
| Стуй | Kyrgyzstan, Ukraine, Russia |