Cognomen Ogtai (Огтай 
, Ogtai 
) , in the world, is a very rare last name. The last name Ogtai is characteristic of Georgia, where it is a rare surname, and Ukraine, where it is a very rare surname. More frequently, Ogtai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Огтай | Russia, Ukraine |
| Ogtai | Georgia |