Worldwide, Miriam Delfina (Miriam Delfina 
) is a very rare feminine first name. The forename Miriam Delfina is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare female name. Much less frequently, Miriam Delfina is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Miriam Delfina | Chile, Peru, Argentina, Ecuador |