In all the world, Isabai (Isabai 
, Исабай 
) is a rare unisex forename. The first name Isabai is habitual in Kyrgyzstan, where it is quite a rare male name, Kazakhstan, and India, where it is a very rare principally female, but very infrequently male name. Very seldom, Isabai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Isabai | Georgia, India, Kazakhstan |
| Исабай | Russia, Kyrgyzstan, Kazakhstan |