The 1961 Campeonato Argentino de Rugby was won by Mar del Plata who defeated Rosario in the final. There were several changes in this tournament:
(Rio Cuarto withdrew)
Mar del Plata: Sastre O., Beverino G., Prieto L., Mollo A., Marenco C., Tiribelli H., Meyer R., Larosa R., Ferrari E., Ferrari L., Olivera C., Boublath R., Arroyo O., Esnaola M. (cap.), Vial S. Rosario:: Caballero J., Mauro R., Puccio A., Dimaje J., Abalos R., Orengo J., Conti R., Villar W., Cerfoglio R. (cap.), Paillole C., Paquez E., Ferraro M., Esmendi R., Carosini A., Gómez Kenney J.