The 1955 Campeonato Argentino de Rugby was won by the selection of Capital that beat in the final the selection of Buenos Aires Province ("Provincia").
Rugby Union in Argentina in 1955
Knock out stages
The championship suffer a lot of trouble due the political situazion in the country with deposition of Juan Domingo Perón during the so-called Revolución Libertadora.
The selection of Río Paranà didn't participate and the selection of San Juan withdraws from Quarters of finals after the delay of the match scheduled for 19 September, refusuing to play on 2 October.
|CASI , Buenos Aires
Referee: Carlos M. Seminario