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Throughout the world, Dioana (Dioana
) is a very rare feminine forename. The given name Dioana is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare feminine name. Much less frequently, Dioana is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dioana | United States, Mexico, Philippines, Venezuela, Brazil |