| Season: | 1919 |
| Dates: | 13 April 1919 – 16 November 1919 |
| Winners: | Sport Alianza 2nd Primera División title |
| Runners-Up: | Sáenz Peña |
| League Topscorer: | Guillermo Rivero (15) |
| Nextseason: | 1920 |
The 1918 Primera División was the eighth season of top-flight Peruvian football. A total of 14 teams competed in the league, The champion was Sport Alianza. It was organized by the homonymous entity, Liga Peruana de Football (Peruvian Football League), currently known as Professional Football Sports Association.[1]
The clubs Sportivo Tarapacá, Fraternal Barranco, Sportivo Lima and Unión Perú did not participate, automatically descending in category to the Peruvian Segunda División.
| Team | City |
|---|---|
| Alianza Chorrillos | |
| Association Alianza | |
| Sport Calavera | |
| Sport Huáscar | |
| Sport Vitarte | |