Cognomen Sonia Islandia (Sonia Islandia 
) , all over the world, is an extremely rare surname. The cognomen Sonia Islandia is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More frequently, Sonia Islandia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sonia Islandia | Spain, Ecuador, Chile |