Surname Semeao (Semeao 
) , worldwide, is quite a rare last name. The family name Semeao is habitual in Portugal, where it is a rare surname, Brazil, and Argentina, where it is a very rare surname. Very seldom, Semeao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Semeao | Brazil, United States, Portugal, Argentina |