| 1999 Sudamericano Sub-20 | |
|---|---|
| Tournament details | |
| Host country | Argentina |
| Dates | 5–25 January |
| Teams | 10 (from 1 confederation) |
| Venue(s) | 2 (in 2 host cities) |
| Final positions | |
| Champions |  Argentina (3rd title) |
| Runners-up |  Uruguay |
| Third place |  Brazil |
| Fourth place |  Paraguay |
| Tournament statistics | |
| Matches played | 35 |
| Goals scored | 115 (3.29 per match) |
| Attendance | 228,113 (6,518 per match) |
| Top scorer(s) | Luciano Galletti (9 goals) |
The 1999 South American Youth Championship (Sudamericana sub-20) is a football competition contested by all ten U-20 national football teams of CONMEBOL. The tournament was held in Argentina between 5 and 25 January 1999, the 23rd time the competition had been held and the 2nd to take place in the country. Argentina finished undefeated, winning their 3rd trophy.