| XX South American Junior Championships in Athletics | |
|---|---|
| Dates | June 30-July 3 |
| Host city | Cubatão, Brazil  |
| Level | Junior |
| Events | 41 |
| Participation | about 254 athletes from 10 nations |
The 20th South American Junior Championships in Athletics were held in Cubatão, Brazil from June 30-July 3, 1988.