| Competition: | Primeira Liga |
| Season: | 1944–45 |
| Winners: | Benfica 6th title |
| Matches: | 90 |
| Total Goals: | 496 |
| Prevseason: | 1943–44 |
| Nextseason: | 1945–46 |
The 1944–45 Primeira Divisão was the 11th season of top-tier football in Portugal.
It was contested by 10 teams, and S.L. Benfica won the championship.