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 QUARTERS OF FINALS 15 sept. Estudiantes Paranà-Capital0 - 8Paranà16 sept. Cuyo-Provincia0 - 65Mendoza15 sept. UR del Norte-Córdoba5 - 3Tucumán15 sept. Montevideo Cricket Club-Litoral0 - 15Maldonado, Buenos Aires , SEMIFINALS22 sept. Capital-Litoral19 - 0Maldonado, Buenos Aires22 sept. Provincia-Córdoba25 - 0Maldonado, Buenos Aires
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)
Bibliography Memorias de la UAR 1946 II Campeonato Argentino