Cognomen Regina Eloisa (Regina Eloisa 
) , around the world, is a very rare last name. The surname Regina Eloisa is habitual in Spain, where it is a very rare surname, and Chile, where it is an extremely rare surname. More frequently, Regina Eloisa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Regina Eloisa | Peru, Philippines, Spain, Chile, Ecuador |