Cognomen Mercy Juanita (Mercy Juanita 
) , throughout the world, is an extremely rare surname. The surname Mercy Juanita is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More prevalently, Mercy Juanita is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mercy Juanita | Peru, Ecuador, Chile |