| Competition: | Peruvian Primera División |
| Season: | 1945 |
| Dates: | 5 August 1945 – 25 November 1945 |
| Winners: | Universitario |
| Prevseason: | 1944 |
| Nextseason: | 1946 |
The 1945 season of the Peruvian Primera División, the top category of Peruvian football, was played by 8 teams. The national champions were Universitario. No team was promoted or relegated.
Teams play each other once, either home or away. All matches were played in Lima and Callao.
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