Throughout the world, Giannyna (Giannyna 
) is a very rare female forename. The forename Giannyna is characteristic of Latin America and the Caribbean, particularly Peru, where it is a very rare girly name. Much less frequently, Giannyna is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Giannyna | Brazil, Peru, Venezuela, Chile |