Cognomen سيفيروس (Severo 
, Severus 
, سيفيروس 
) , throughout the world, is a common last name. The surname سيفيروس is habitual in Latin America and the Caribbean, particularly Uruguay, where it is quite a common surname, Dominica, and Brazil (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Brazil, Mexico, and Philippines. Also, سيفيروس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Severo | Peru, Philippines, Mexico, Argentina, Brazil |
| Severus | Namibia, Italy, Spain, United States, Brazil |
| سيفيروس | Libya |