Family name モニカ (Monica 
, Monika , Mónica 
, among others...) , around the world, is a widespread surname. The surname モニカ is habitual in Poland, where it is a common surname, Mexico, and Spain (explore the name in all countries). More prevalently, モニカ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Monica, Monika | Argentina, India, Mexico, United States, Germany |
| Mónica | Brazil, Argentina, Mexico, United States, Germany |
| Mònica | Brazil, Argentina, Mexico, United States, Italy |
| モニカ | Japan |