The 1946 Istanbul Football Cup season was the fourth season of the cup. Beşiktaş JK won the cup for the second time. The tournament was single-elimination.
| Season | 1946 |
|---|---|
| Champions | Beşiktaş JK (2nd Title) |
← 1945 1947 → | |
Season
editQuarterfinals
edit| Team 1 | Score | Team 2 |
|---|---|---|
Beşiktaş JK 
|
8-0 | Beyoğluspor
|
| Fenerbahçe SK
|
0-1 | İstanbulspor
|
| Team 1 | Score | Team 2 |
|---|---|---|
| Beşiktaş JK
|
3-0 | İstanbulspor
|
Semifinals
edit| Team 1 | Score | Team 2 |
|---|---|---|
| Galatasaray SK
|
2-3 | Beykozspor
|
Final
editFebruary 17, 1946
Attendance:10,000
Şeref Stadium
| Team 1 | Score | Team 2 |
|---|---|---|
| Beşiktaş JK
|
5-2 | Beykoz 1908 S.K.D.
|