The 1909–10 İstanbul Football League season was the 6th season of the league. Galatasaray won the league for the second time.
Season
Matches Galatasaray - Strugglers FC: 5-1 Galatasaray - Strugglers FC: 4-1 Galatasaray - Fenerbahçe SK: 3-0 Galatasaray - Moda FC: 2-0 Galatasaray - Moda FC: 8-0 Galatasaray - Cadi-Keuy FC: 1-0 Galatasaray - Elpis FC: 1-0 Fenerbahçe SK - Strugglers FC: 0-3
References http://www.mackolik.com/Standings/Default.aspx?sId=15832 Tuncay, Bülent (2002). Galatasaray Tarihi. Yapı Kredi Yayınları