Last name Eronica (Eronica 
) , in all the world, is a very rare cognomen. The cognomen Eronica is characteristic of Nigeria, where it is a very rare surname, Mexico, where it is an extremely rare surname, and China. More prevalently, Eronica is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Eronica | Nigeria, Brazil, China, United States, India |