Surname Юоий (Юоий 
, Yuoii 
, Yuoy 
) , across the world, is an extremely rare family name. The last name Юоий is characteristic of Kyrgyzstan, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Much more prevalently, Юоий is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Юоий | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| Yuoii | Myanmar |
| Yuoy | United States, Philippines |