2005 FIBA Under-21 World Championship
| Tournament details | |
|---|---|
| Host country | Argentina | 
| Dates | 5 August – 14 August | 
| Teams | 12 | 
| Venue(s) | 2 (in 2 host cities) | 
| Final positions | |
| Champions | Lithuania (1st title) | 
| Tournament statistics | |
| MVP | Renaldas Seibutis | 
| Top scorer | Halperin (23.5) | 
| Top rebounds | Ramos (9.5) | 
| Top assists | Barea (7.3) | 
| PPG (Team) |  United States (101.1)  | 
| RPG (Team) |  United States (42.8)  | 
| APG (Team) |  Lithuania (18.6)  | 
The 2005 FIBA Under-21 World Championship was an international basketball competition, held from 5 to 14 August 2005, in Córdoba and Mar de Plata, Argentina. It was the last edition of the FIBA Under-21 World Championship. Twelve national teams competed in the tournament.
Lithuania won their first title, after defeating Greece in the final.