| Guillermo Acosta | |
| Fullname: | Guillermo Gastón Acosta |
| Birth Date: | 1988 10, df=yes |
| Birth Place: | Alderetes, Argentina |
| Height: | 1.80m |
| Position: | Winger |
| Currentclub: | Atlético Tucumán |
| Clubnumber: | 8 |
| Years1: | 2007 |
| Caps1: | 1 |
| Goals1: | 0 |
| Years2: | 2008 |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 2008–2009 |
| Caps3: | 24 |
| Goals3: | 5 |
| Years4: | 2009–2010 |
| Caps4: | 13 |
| Goals4: | 1 |
| Years5: | 2010–2011 |
| Caps5: | 0 |
| Goals5: | 0 |
| Years6: | 2011 |
| Caps6: | 0 |
| Goals6: | 0 |
| Years7: | 2011–2013 |
| Caps7: | 71 |
| Goals7: | 21 |
| Years8: | 2013–2019 |
| Clubs8: | Atlético Tucumán |
| Caps8: | 148 |
| Goals8: | 23 |
| Years9: | 2019 |
| Clubs9: | Lanús |
| Caps9: | 5 |
| Goals9: | 1 |
| Years10: | 2019– |
| Clubs10: | Atlético Tucumán |
| Caps10: | 148 |
| Goals10: | 6 |
| Pcupdate: | 20:48, 13 March 2022 (UTC) |
Guillermo Gastón Acosta (born 31 October 1988) is an Argentine footballer who plays right winger, midfielder or extreme right. He currently plays for Atlético Tucumán.