Family name Seiros (Seiros 
) , all over the world, is a very rare last name. The surname Seiros is characteristic of South Africa, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Likewise, Seiros is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seiros | India, Brazil, South Africa, Philippines |