Last name السينا (Alsina 
, Alzina 
, السينا) , all around the world, is quite a common surname. The cognomen السينا is habitual in Latin America and the Caribbean, particularly Uruguay, where it is quite a rare surname, Paraguay, and Puerto Rico. Not in comparison with a country's population, it is the most numerous in Spain, Argentina, and Colombia. Likewise, السينا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alsina | Colombia, France, Argentina, Spain, Brazil |
| Alzina | South Africa, France, Argentina, Spain, Brazil |