Family name Froján (Froján 
) , throughout the world, is an extremely rare last name. The cognomen Froján is characteristic of Spain, where it is a very rare surname, and Argentina, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Froján | Argentina, Spain |
| francisco froján ES (b. 1953) |
|
|
| josé antonio froján |
|