| Tournament details | |
|---|---|
| Host country | Chile |
| Dates | 13 March – 2 April |
| Teams | 6 |
| Final positions | |
| Champions |  Uruguay (2nd title) |
| Runners-up |  Argentina |
| Third place |  Brazil |
| Fourth place |  Peru |
| Tournament statistics | |
| Matches played | 15 |
| Goals scored | 68 (4.53 per match) |
| Top scorer(s) | Norberto Raffo (5) |
← 1954 1964 → | |
The South American Youth Championship 1958 was held in Santiago and Valparaíso, Chile.