Around the globe, Marcia Guillermina (Marcia Guillermina 
) is a very rare girly forename. The first name Marcia Guillermina is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare girly name. Very seldom, Marcia Guillermina is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Marcia Guillermina | Ecuador, Chile, Peru, Spain |