Surname シラ (Sylla 
, Silla , Cilla 
) , in the world, is a widespread cognomen. The cognomen シラ is characteristic of Sub-Saharan Africa, particularly Senegal, where it is a common surname, Guinea, and Ivory Coast (explore the name in all countries). Much less frequently, シラ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sylla, Silla | Mali, France, Senegal, Ivory Coast, Guinea |
| Cilla | Philippines, France, Senegal, Italy, India |
| シラ | Japan |