| Season: | 1946 |
| Winners: | Fenerbahçe (5th title) |
| League Topscorer: | Melih Kotanca (12) |
| Matches: | 30 |
| Total Goals: | 139 |
| Nextseason: | 1947 |
The 1946 National Division was the ninth edition of the Turkish National Division. Fenerbahçe won their fifth title.
Top four in İstanbul played a mini league to decide which two İstanbul clubs would play in the Milli Eğitim Kupası.