The 1957 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 1957 The Buenos Aires Championship was won by C.A.S.I. The Cordoba Province Championship was won by Universitario The North-East Championship was won by Natación y Gimnasia
Knock out stages
PRELIMINARY18 AugustUR del Norte-Rio Cuarto28 - 3Tucumán18 AugustSanta Fe-Cuyo - Cuyo withdrawed18 AugustMar del Plata-Córdoba9 - 8Córdoba18 AugustRío Paranà-San Juan14 - 0Paranà
QUARTERS OF FINALS UR del Norte-Capital5 - 15Tucumán15 September Santa Fe-Rosario9 - 14Santa Fe15 September Mar del Plata-Provincia3 - 18Mar del Plata15 September Río Paranà-La Plata6 - 9Paranà
Semifinals
Provincia: J. Olazábal, R. Faldutti, J. Campos, J. Berro García, J. Ramallo, M. Guyot, E. Holmgren, J. Madero, E. Mitchelstein, R. Ochoa, E. Parola, R. Dell'Acqua, F. Tosato, R. Santángelo, C. Travaglini La Plata: C. Sabalzagaray, E. Vergara, H. Tiribelli, E. Brea, H. Zapettini, N. Dutil, J. Dubarry, R. La Rosa, H. Carnicero, C. Sacerdote, J. Roan, C. Olivera, R. Giner, H. Dentone, L. Gorostiaga
Capital: J. Genoud, E. Horan, R. Raimundez, E. Fernández del Casal, A. Ricciardello, R. Bazán, P. Felisari, S. Hogg, A. Bublath, M. Azpiroz, J. Diez, A. Dillon, E. Gaviña, C. Ezcurra, E. Hirsch. Rosario: F. Cavallo, R. Abalos, G. Recagno, J. Arce, A. Drincovich, A. Robson, R. Conti, C. Kaden, J. Ramos, E. Celentano, A Colla, J. Silvetti, C. Silvestre, F. Alonso, R. Alonso
Final
Capital: J. Genoud, J. Ricciardello, R. Raimundez, E. Fernández del Casal, E. Horan, R. Bazán, P. Felisari, S. Hogg, A. Bublath, G. Schon, J. Diez, A. Dilon, E. Gaviña, C. Ezcurra, E. Hirsch Provincia: J. Olazábal, R. Faldutti, J. Campos, J. Berro García, C. Ra¬mallo, M. Guyot, E. Holmgren, J. Madero, E. Mitchelstein, R. Ochoa, E. Parola, R. Dell'Acqua, F. Tosato, R. Saitángelo, C. Travaglini.
Bibliography Memorias de la UAR 1957