1958 Campeonato Argentino de Rugby
The Campeonato Argentino de Rugby 1958 was won by the selection of Capital that defeated the selection of Buenos Aires Province ("Provincia"). There were fourteen teams that participated, including two new selections: Valle de Lerma (Salta Province) and Sur.
| 14° Campeonato Argentino | |
|---|---|
| Countries |  Argentina |
| Champions | Capital (5th title) |
| Runners-up | Provincia |
Rugby Union in Argentina in 1958
- The Buenos Aires Championship was won by Buenos Aires CRC
- The Cordoba Province Championship was won by Universitario and Jockey Club
- The North-East Championship was won by Universitario Tucumán
- Argentina won the 1958 South American Rugby Championship
Knock out stages
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Final
| 5 October 1958 |
| Capital | 11-6 | Provincia |
| Try: Karplus, Ferrer, Con: Méndez, Pen: Méndez | Pen: Comas, Bernacchi |
| San Isidro, Buenos Aires Referee: Sr. César de Elizalde |
Capital R. Raimundez ('B. A.), C. Lennon (Belgrano), E. Karplus (Pueyrredón), E. Fernández del Casal (C.U.B.A.), J. Ferrer (C.U.B.A.), L. Méndez (O. S.), R. Brown (B. A.), S. Hogg (B. A.), M. Aspiroz (B. A.), C. Álvarez (C.U.B.A.), D. R. Hogg (B.. A.), J. Trebotich (Puey¬rredón), E. Gaviña (C.U.B.A.), C. Ezcurra (C.U.B.A.), E. Verardo (Belgrano).
Provincia: R. Pesce (A. D. F.), O. Bernacchi (Curupaytí), J. Campos S. Fernando), J. L. Guidi (A. D. F.), A. Salinas (Olivos), I. Comas (Pucará), E. Holmgreen (Olivos), J. Vibart (O. Phil.), S. Gamarra S. Fernando), J. Pulido (A. D. F.), E. Parola (Curupaytí), A. Otaño (Pucará), E. Sorhaburu (Olivos), R. Santángelo (Curupaytí), O. Diserio (S. Fernando).