Family name Frenjo (Frenjo 
) , around the world, is a rare cognomen. The cognomen Frenjo is characteristic of Southern Europe, particularly Bosnia and Herzegovina, where it is quite a rare surname. Very seldom, Frenjo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Frenjo | India, Bosnia and Herzegovina |
| rifat frenjo BA (b. 1922) |
|