Family name Nelly Guillermina (Nelly Guillermina 
) , all over the world, is a very rare last name. The surname Nelly Guillermina is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Nelly Guillermina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nelly Guillermina | Costa Rica, Chile, Ecuador, Argentina, Peru |