Cognomen Ǿo (Ǿo 
) , worldwide, is a rare surname. The cognomen Ǿo is habitual in Myanmar, where it is a rare surname, and Egypt, where it is a very rare surname. More prevalently, Ǿo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ǿo | Egypt, Myanmar |