Surname Monica Justina (Monica Justina 
) , all around the world, is an extremely rare last name. The last name Monica Justina is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Monica Justina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Monica Justina | Chile, Philippines, Peru, Ecuador |