Family name Gideão (Gideão 
) , worldwide, is a rare last name. The family name Gideão is characteristic of Angola, where it is a rare surname, Argentina, where it is an extremely rare surname, and Brazil. More frequently, Gideão is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gideão | Brazil, Angola, United States, Argentina |