| Guillermo Ferreras | |
| Fullname: | Oscalín Guillermo Ferraras |
| Birth Date: | 16 February 1994 |
| Birth Place: | Vicente Noble, Dominican Republic |
| Position: | Centre-back, right-back |
| Currentclub: | Atlético Pantoja |
| Youthyears1: | 2011–2012 |
| Youthclubs1: | Orcasitas |
| Years1: | 2014–2015 |
| Caps1: | 17 |
| Goals1: | 0 |
| Years2: | 2016–2017 |
| Caps2: | 13 |
| Goals2: | 1 |
| Years3: | 2017 |
| Years4: | 2018 |
| Years5: | 2019– |
| Nationalyears1: | 2018– |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Nationalteam-Update: | 25 March 2018 |
Oscalín Guillermo Ferraras (born 16 February 1994),[1] known as Guillermo Ferreras, is a Dominican footballer who plays as a defender for Atlético Pantoja and the Dominican Republic national team.
Guillermo Ferreras made his international debut for Dominican Republic on 22 March 2018, being a second-half substitute in a 4–0 friendly win against Turks and Caicos Islands.[2]