Surname Ismaj (Исмай 
, Ismaj 
) , in all the world, is a very rare family name. The family name Ismaj is habitual in Kyrgyzstan, where it is a very rare surname, Mexico, and the United States, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Mexico, the United States, and Nigeria. Likewise, Ismaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Исмай | Kyrgyzstan, Kazakhstan, Russia |
| Ismaj | United States, India, Mexico, Nigeria |