Last name Sías (Sías 
) , around the globe, is an extremely rare cognomen. The cognomen Sías is characteristic of Spain, where it is an extremely rare surname, and Mexico. Very seldom, Sías is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sías | Chile, Mexico, Spain |
| emilio sías Spanish journalist, ES (b. 1900) |
|