| Tournament details | |
|---|---|
| Host country | Croatia |
| City | Šibenik |
| Dates | 25 July – 3 August 2003 |
| Teams | 12 (from 5 confederations) |
| Final positions | |
| Champions |  United States (1st title) |
| Runners-up |  Brazil |
| Third place |  France |
The 2003 FIBA World Championship for Young Women was the first edition of the basketball world championship for U21 women's teams, later known as the FIBA Under-21 World Championship for Women. It was played in Šibenik, Croatia, from 25 July to 3 August 2003.[1] United States women's national under-21 basketball team won the tournament and became the world champions for the first time.