| Medalist | Organization | |
|---|---|---|
 |
ARG Dal Bianco-De Pascual |
 Argentina |
 |
BRA Da Cunha-Julianotti |
 Brazil |
 |
PAR Abud-Castañeyra |
 Paraguay |
| 4 | CHI Molina-Salinas |
 Chile |
| Medalist | Organization | |
|---|---|---|
|
ARG Reiter-Valenzuela |
Argentina |
|
CHI Minieri-Roux |
Chile |
|
BRA De Barros-Branchi |
Brazil |
| 4 | PAR Morales-Riquelme |
Paraguay |
