1925–26 Istanbul Football League

The 1925–26 İstanbul Football League season was the 19th season of the league.

Galatasaray SK won the league for the 8th time.

The tournament was single-elimination, not league as in the past.

Quarter Finals Galatasaray - Beykozspor SK 6:2 Fenerbahçe - Harbiye SK 3:2 Semi finals Fenerbahçe - Fatih İdman Yurdu SK 9:0 Galatasaray SK - Vefa SK 2:1 Final Fenerbahçe - Galatasaray SK 0:3 Galatasaray SK - Fenerbahçe 3:1