Cognomen Cecilia Eugenia (Cecilia Eugenia 
) , around the world, is a rare family name. The last name Cecilia Eugenia is habitual in Chile, where it is quite a rare surname, and Spain, where it is a very rare surname. More frequently, Cecilia Eugenia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cecilia Eugenia | Peru, Bolivia, Chile, Ecuador, Costa Rica |