Círculo de Ex-Cadetes del Liceo Militar General San Martín, or simply Liceo Militar, is an Argentine rugby union and field hockey club sited in the Loma Hermosa district of General San Martín Partido in Greater Buenos Aires.

[1] The rugby union team currently plays in Primera C, the fourth division of the URBA league system.

In 1950, former cadets of the military high school General San Martín founded the rugby club "Circulo de Ex-Cadetes del Liceo Militar General San Martín".

Liceo Militar entered the URBA league system in 1962 and won promotion to the highest level of provincial rugby in 1970.

Some of Liceo's most notable players throughout its history were Roberto Taschetti, Mariano Perasso, Daniel Solaberrieta, Alejandro Braceras, Rodrigo Garcia Estebarena, Nicolas Basile, Javier Carella, Juan Somoza, Ignacio Oliva, Juan Pablo Mendoza, Franco Schenone.