| İlker Erbay | |
| Height: | 1.84 m |
| Birth Date: | 14 June 1984 |
| Birth Place: | Istanbul, Turkey |
| Position: | Left winger |
| Youthclubs1: | Galatasaray PAF |
| Years1: | 2002–2003 |
| Caps1: | 1 |
| Goals1: | 0 |
| Years2: | 2003 |
| Caps2: | 1 |
| Goals2: | 0 |
| Clubs2: | → Elazığspor (loan) |
| Years3: | 2004 |
| Years4: | 2004–2005 |
| Years5: | 2005–2006 |
| Caps5: | 6 |
| Goals5: | 1 |
| Clubs5: | Gaziantep BB |
| Years6: | 2006–2007 |
| Caps6: | 0 |
| Goals6: | 0 |
| Years7: | 2006–2007 |
| Clubs7: | → Kocaelispor (loan) |
| Years8: | 2007–2008 |
| Caps8: | 2 |
| Goals8: | 0 |
| Clubs8: | Kayseri Erciyesspor |
| Years9: | 2008–2009 |
| Caps9: | 6 |
| Goals9: | 0 |
| Clubs9: | Orduspor |
| Years10: | 2009 |
| Caps10: | 3 |
| Goals10: | 0 |
| Clubs10: | Kayseri Erciyesspor |
| Years11: | 2009–2010 |
| Clubs11: | Tepecikspor |
| Years12: | 2010 |
| Clubs12: | Fethiyespor |
| Years13: | 2010–2011 |
| Caps13: | 21 |
| Goals13: | 2 |
| Clubs13: | Alanyaspor |
| Years14: | 2012 |
| Caps14: | 5 |
| Goals14: | 1 |
| Clubs14: | Beypazarı Şeker |
| Years15: | 2012–2015 |
| Caps15: | 57 |
| Goals15: | 0 |
| Clubs15: | Tepecikspor |
| Years16: | 2015 |
| Caps16: | 13 |
| Goals16: | 0 |
| Clubs16: | Payasspor |
| Years17: | 2016 |
| Caps17: | 7 |
| Goals17: | 0 |
| Clubs17: | Bayrampaşa |
| Years18: | 2016–2017 |
| Clubs18: | Feriköy |
| Years19: | 2017–2018 |
| Clubs19: | Büyükçekmece |
| Years20: | 2018–2019 |
| Clubs20: | Avcılar Belediye Gençlik |
İlker Erbay (born 14 June 1984) is a Turkish former footballer.