Surname Окай (Okay 
, Okai 
, Okaj 
) , around the globe, is a common family name. The cognomen Окай is characteristic of Ghana, where it is quite a common surname, Turkey, and Liberia, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Ghana, Turkey, and Nigeria. Much less frequently, Окай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Okay | Ghana, United States, Nigeria, Turkey, Indonesia |
| Okai | Ghana, United States, Nigeria, Egypt, Indonesia |
| Okaj | United Kingdom, United States, Germany, Poland, Albania |
| Окай | Ukraine, Russia, Georgia, Kazakhstan |