| Guillermo Avilés | |
| Position: | First baseman / Leftfielder |
| Team: | Alazanes de Granma |
| Birth Date: | 20 January 1993 |
| Birth Place: | Granma, Cuba |
| Bats: | Left |
| Throws: | Left |
| Show-Medals: | no |
Guillermo Jose (Difurnot) Aviles (born January 20, 1993) is a Cuban professional baseball first baseman and leftfielder for Alazanes de Granma in the Cuban National Series.
Aviles played for the Cuba national baseball team at the 2009 World Youth Baseball Championship, 2010 World Junior Baseball Championship, and 2017 World Baseball Classic.[1]