Family name Оооооо (Оооооо 
) , globally, is a very rare cognomen. The surname Оооооо is habitual in Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. Very seldom, Оооооо is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Оооооо | Russia, Kazakhstan |