Family name Булгаев (Булгаев 
) , around the world, is a very rare surname. The cognomen Булгаев is characteristic of Kazakhstan, where it is a rare surname, and Russia, where it is an extremely rare surname. Very seldom, Булгаев is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Булгаев | Kazakhstan, Russia |