Cognomen Flor Guillermina (Flor Guillermina 
) , in the world, is a very rare surname. The last name Flor Guillermina is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Flor Guillermina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Flor Guillermina | Mexico, Peru, Ecuador, Chile |