Cognomen Tosas (Tosas 
) , in all the world, is a rare family name. The surname Tosas is characteristic of Spain, where it is a rare surname, Argentina, where it is a very rare surname, and France. Also, Tosas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tosas | India, Argentina, Spain, France, Nigeria |
| joaquim tosas i mir Catalan politician and seaport chairman, ES (b. 1946) |
|