Surname Шубай (Shubai 
, Shubaj 
, Шубай 
) , all around the world, is a rare cognomen. The family name Шубай is habitual in Azerbaijan, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Israel, where it is a very rare surname. In absolute terms, it is the most numerous in Azerbaijan, Kazakhstan, and India. More prevalently, Шубай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shubai | Kazakhstan, China, South Africa, India, Israel |
| Shubaj | Azerbaijan, India |
| Шубай | Ukraine, Russia, Kazakhstan |
| Shubay | United Kingdom, India |