Surname Peñuelo (Peñuelo 
) , throughout the world, is a very rare cognomen. The last name Peñuelo is characteristic of Spain, where it is a very rare surname, and Argentina, where it is an extremely rare surname. Also, Peñuelo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Peñuelo | Spain, Argentina |