Asociación Alumni, usually just Alumni, is an Argentine rugby union club located in Tortuguitas, Greater Buenos Aires. The senior squad currently competes at Top 12, the first division of the Unión de Rugby de Buenos Aires league system.

The URBA Top 12 is an Argentine rugby union club competition organised by the Buenos Aires Rugby Union (URBA). It is the top division of the Argentine rugby league system. Created on 10 April 1899 by the "River Plate Rugby Union", the Top 13 is the oldest rugby competition in South America and one of the oldest club competitions in the world.