Cognomen Mikaylov (Микайлов 
, Mikaylov 
) , across the world, is a rare surname. The family name Mikaylov is habitual in Azerbaijan, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Belarus, where it is a very rare surname. In absolute terms, this name is the most popular in Azerbaijan, Russia, and Bulgaria. Much less frequently, Mikaylov is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Микайлов | Belarus, Ukraine, Kazakhstan, Russia |
| Mikaylov | United States, Azerbaijan, Bulgaria |