Family name โยย (Yoi 
, โยย 
) , around the globe, is quite a rare cognomen. The surname โยย is habitual in South-eastern Asia, particularly Malaysia, where it is a rare surname, Indonesia, and Myanmar. Not in comparison with a country's population, it most frequently occurs in Indonesia, Malaysia, and Japan. More prevalently, โยย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yoi | Japan, Indonesia, Saudi Arabia, Malaysia, Myanmar |
| โยย | Thailand |