| Competition: | Primera División |
| Season: | 1911 |
| Dates: | 30 April – 26 November |
| Winners: | Alumni (10th title) |
| Relegated: | (none) |
| Matches: | 72 |
| League Topscorer: |  Ricardo Malbrán Ernesto Lett Antonio Piaggio (11 goals each) |
| Biggest Home Win: | Alumni 6–0 Estudiantes (BA) |
| Biggest Away Win: | Quilmes 0–7 Alumni |
| Prevseason: | 1910 |
| Nextseason: | 1912 |
The 1911 Argentine Primera División was the 20th season of top-flight football in Argentina. The season began on April 30 and ended on November 26.[1]
The championship featured 9 teams, with each team playing the other twice. Racing Club made its debut.
Alumni regain the championship for the third time in succession, by beating Porteño in a championship playoff. It was the team's 10th title in 12 seasons and was also its last tournament disputed so the football team was disbanded at the end of the season due to financial problems.
Alumni and Porteño finished level on points at the top of the table, being necessary the dispute of a playoff match, won by Alumni.[1] [2]
| Date | width=80px | Team 1 | Res. | width=80px | Team 2 | Venue | City |
|---|---|---|---|---|---|---|---|
| 26 Nov | bgcolor= #ccffcc | Buenos Aires |
| GK | Emilio Bolinches | ||
| DF | Juan Domingo Brown | ||
| DF | Jorge Brown | ||
| MF | Peel Yates | ||
| MF | Ernesto Brown | ||
| MF | J.H. Lawrie | ||
| FW | V. Weiss | ||
| FW | |||
| FW | Juan G. Brown | ||
| FW | Ernesto Lett | ||
| FW |
| GK | Juan José Rithner | ||
| DF | Héctor Viboud | ||
| DF | J. Cucchi | ||
| MF | B. Berisso | ||
| MF | Domingo Bacigaluppi | ||
| MF | O. Dastugue | ||
| FW | Mario Genoud | ||
| FW | Anacarsis Galup Lanús | ||
| FW | Antonio Piaggio | ||
| FW | Antonio Márquez | ||
| FW | F. Debenedetti |