Cognomen Simaõ (Simaõ 
) , around the world, is a rare last name. The surname Simaõ is characteristic of Angola, where it is a rare surname, and Brazil, where it is an extremely rare surname. Much less frequently, Simaõ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Simaõ | Angola, Brazil, South Africa |