| 2003 Sudamericano Sub-20 | |
|---|---|
| Tournament details | |
| Host country | Uruguay |
| Dates | 4–28 January |
| Teams | 10 (from 1 confederation) |
| Venue(s) | 3 (in 3 host cities) |
| Final positions | |
| Champions |  Argentina (4th title) |
| Runners-up |  Brazil |
| Third place |  Paraguay |
| Fourth place |  Colombia |
| Tournament statistics | |
| Matches played | 35 |
| Goals scored | 104 (2.97 per match) |
| Top scorer(s) | Fernando Cavenaghi (8 goals) |
The 2003 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 Uruguay between 4 and 28 January 2003, it was the 21st time the competition has been held and the second to take place in Uruguay. Argentina won their fourth trophy.