| Aytaç Ak | |
| Height: | 1.88 m |
| Birth Date: | 22 April 1985 |
| Birth Place: | Adapazarı, Turkey |
| Position: | Centre-back |
| Years1: | 2003–2005 |
| Years2: | 2005–2006 |
| Years3: | 2006–2007 |
| Years4: | 2007 |
| Years5: | 2007–2009 |
| Years6: | 2008–2009 |
| Years7: | 2010–2011 |
| Years8: | 2011 |
| Years9: | 2011–2016 |
| Years10: | 2016–2017 |
| Years11: | 2017–2018 |
| Clubs1: | Sakaryaspor |
| Clubs2: | Malatyaspor |
| Clubs3: | Ankaragücü |
| Clubs4: | → Etimesgut Şekerspor (loan) |
| Clubs5: | Sivasspor |
| Clubs6: | → Diyarbakırspor (loan) |
| Clubs7: | Sakaryaspor |
| Clubs8: | Tarsus İdman Yurdu |
| Clubs9: | 1461 Trabzon |
| Clubs10: | Sakaryaspor |
| Clubs11: | Adapazarı Spor |
| Caps1: | 11 |
| Caps2: | 4 |
| Caps3: | 0 |
| Caps4: | 3 |
| Caps5: | 15 |
| Caps6: | 4 |
| Caps7: | 24 |
| Caps8: | 10 |
| Caps9: | 106 |
| Caps10: | 17 |
| Goals1: | 1 |
| Goals2: | 0 |
| Goals3: | 0 |
| Goals4: | 0 |
| Goals5: | 0 |
| Goals6: | 0 |
| Goals7: | 2 |
| Goals8: | 0 |
| Goals9: | 5 |
| Goals10: | 2 |
| Nationalyears1: | 2005 |
| Nationalteam1: | Turkey U20 |
| Nationalcaps1: | 5 |
| Nationalgoals1: | 0 |
Aytaç Ak (born 22 April 1985) is a Turkish former professional footballer who played as a centre-back.[1]