Last name Йоы (Joy 
, Yoy 
, Ioy 
) , in the entire world, is a widespread cognomen. The last name Йоы is habitual in Nigeria, where it is a common surname, United Arab Emirates, and Bangladesh, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it is commonest in Nigeria, Bangladesh, and India. Likewise, Йоы is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Joy | Nigeria, Bangladesh, India, Philippines, United States |
| Yoy | Nigeria, Indonesia, India, Philippines, United States |
| Ioy | Malaysia, China, Thailand, Nigeria, United States |
| Йоы | Russia |