The 1946 Campeonato Argentino de Rugby was won by the selection della Buenos Aires Province ("Provincia") that beat in the final the selection of Capital.
Rugby Union in Argentina in 1946
The "Championship of Buenos Aires" was won by Club Pucará
The "Cordoba Province Championship" was won by Jockey Club Córdoba
The North-East Championship was won by Universitario
Results
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Final
Capital: A. Ozores (GEBA) (cap)., T. C. Sacca (Belgrano), R. D. H. Brown (Belgrano), J.Sansot (C.U.B.A.), y A. Fernández Moores (C.U.B.A.), E. Monpelat (C.U.B.A.), E. Holmberg (C.U.B.A., L. M. Bertani (GEBA), R. MacKay (GEBA), E. Lucotti (Belgrano), H.Ponce (GEBA), C. B: Ardió (C.U.B.A.), F. Elizalde (C.U.B.A.), H. Achával (C.U.B.A.), R.Lucotti (Belgrano) Provincia R. Frigerio (Pucará), V. Bereciartúa (Pucará), A. Palma (Pucará), J. C. de Pablo (Pucará), H. Castro Feijóo (C.A.S.I.), R. E. Giles (Pucará), G. Ehrmann (Pucará), E. Fonseca (Pucará), J. Sarandón (S.I.C.), B. Grigolón (Hindú), A. González Bonorino (Olivos), J. Morganti (C.A.San Isidro), E. Daulte (Olivos), J. Bastiani (Hindú) cap., A. Gutiérrez (Hindú)