1911 in Argentine football saw 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.
The 1911 championship featured 9 teams, with each team playing the other twice. Racing Club made its debut.
Alumni and Porteño finished level on points at the top of the table, being necessary the dispute of a playoff match, won by Alumni.
Argentina won a new edition of the Copa Newton and Copa Premier Honor Argentino but the squad lost the Copa Lipton and the first edition of Copa Premier Honor Uruguayo at the hands of Uruguay.