100 m Butterfly, Men
| Competition | 1958 South American Aquatics Championships |
|---|---|
| Venue |
Montevideo
 URU
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Fernando Fanjul |  ARG |
1:06.9 | ||
| 🥈 | Luciano Barchi |  PER |
1:09.1 | ||
| 🥉 | Ismael Merino | PER |
1:09.5 |