In the entire world, Barreira (Barreira 
) is a very rare epicene first name. Predominantly, Barreira is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Barreira | Portugal, France, Argentina, Spain, Brazil |
| baltesar barreira 1538-1612; Port. Jesuit, Missionar in Kap Verde (b. 1538) |
|
|
| newton burlamaqui barreira Brazilian politician, BR (b. 1922) |
|
|
| wagner gutierrez barreira BR (b. 1962) |
|