Cognomen Ada Pilar (Ada Pilar 
) , all around the world, is an extremely rare last name. The last name Ada Pilar is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Ada Pilar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ada Pilar | Chile, Peru, Ecuador, Philippines, Spain |
Torres, and Ortiz Carrasco