Family name Rufino Gregorio (Rufino Gregorio 
) , all around the world, is a very rare last name. The cognomen Rufino Gregorio is characteristic of Southern Europe, particularly Spain, where it is a very rare surname. Also, Rufino Gregorio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rufino Gregorio | Peru, Ecuador, Spain |