Olivos is regarded as one of the most representative clubs of rugby union in Buenos Aires Province.

[2] The sporting institution was founded on September 4, 1927 as a rugby club by 20 young men joined at a land located on Avenida del Libertador 2200 in the neighborhood of Olivos, Buenos Aires.

Salvador Pineda, Julio J. Salas, José Mosé, Leopoldo Houssay, and Emilio Izasmendi (son) were the founding members.

Olivos played their first official match v Club Atlético del Rosario at Plaza Jewell in 1932.

[1] In 1933, Olivos promoted to Primera División (current Torneo de la URBA) for the first time after defeating Obras Sanitarias 17–3.