Around the world, Cristina Sonia (Cristina Sonia 
) is a very rare mostly feminine, but infrequently male forename. The given name Cristina Sonia is habitual in Chile, where it is a rare feminine name, Spain, where it is a very rare unisex name, and Peru, where it is a very rare girly name. Much less frequently, Cristina Sonia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Cristina Sonia | Spain, Chile, Ecuador, Peru |