Cognomen Clara Otilia (Clara Otilia 
) , globally, is an extremely rare last name. The family name Clara Otilia is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Clara Otilia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Clara Otilia | Peru, Chile, Ecuador, Costa Rica |