Surname အော (အော 
, Oorts 
) , around the globe, is a rare last name. The family name အော is habitual in Belgium, where it is quite a rare surname, Poland, where it is a very rare surname, and Germany, where it is an extremely rare surname. In absolute terms, it is commonest in Belgium, Poland, and the United States. Much less frequently, အော is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| အော | Myanmar |
| Oorts | Brazil, Belgium, United States, Germany, Poland |