Surname Долтаев (Долтаев 
) , all over the world, is a very rare cognomen. The last name Долтаев is characteristic of Kyrgyzstan, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Долтаев | Kazakhstan, Russia, Kyrgyzstan |