Family name Fernandez Armas (Fernandez Armas 
) , all over the world, is a rare cognomen. The family name Fernandez Armas is characteristic of Cuba, where it is a rare surname, Spain, where it is a very rare surname, and Peru, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fernandez Armas | Cuba, Spain, Peru |
Rosita, Hector, Yaliet, Echedey, and Nilda Ysabel