Competitors for 1965 South American Aquatics Championships
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Segismundo Astrankas |  URU |
WAP | |
| Boabdil Balletto | URU |
WAP | |
| Antonio Blanco | URU |
WAP | |
| Leopoldo Eimer | URU |
WAP | |
| Carlos Fraga | URU |
WAP | |
| Juan Gambardella | URU |
WAP | |
| Alberto Lavarello | URU |
WAP | |
| Juan Montedónico | URU |
WAP | |
| Walter Pietrafesa | URU |
WAP | |
| Eriberto Stein | URU |
WAP |