The 1945 Istanbul Football Cup season was the 4th season of the cup. Fenerbahçe SK won the cup for the first time. The tournament was single-elimination.
| Season | 1945 |
|---|---|
| Champions | Fenerbahçe SK (1st Title) |
← 1944 1946 → | |
Season edit
Quarterfinals edit
| Team 1 | Score | Team 2 |
|---|---|---|
Fenerbahçe SK 
|
5-0 | Anadolu Hisarı İdman Yurdu SK
|
| Fenerbahçe SK
|
4-0 | Elektrik SK
|
Semifinals edit
| Team 1 | Score | Team 2 |
|---|---|---|
| Fenerbahçe SK
|
0-0 | Galatasaray SK
|
| Galatasaray SK
|
0-3 | Fenerbahçe SK
|
Final edit
November 16, 1945
Attendance:15,000
Şeref Stadium
| Team 1 | Score | Team 2 |
|---|---|---|
| Beşiktaş JK
|
0-1 | Fenerbahçe SK
|
Goal For Fenerbahçe SK: Naci Bastoncu(2 min.)