The 2021 FIBA Under-19 Basketball World Cup (Latvian: 2021. gada FIBA Pasaules kauss basketbolā līdz 19 gadu vecumam) was the 15th edition of the FIBA Under-19 Basketball World Cup, the biennial international men's youth basketball championship contested by the U19 national teams of the member associations of FIBA.

The tournament was hosted in Riga and Daugavpils, Latvia from 3 to 11 July 2021.

[1][2] The United States defeated France in the final to capture their eighth title.

[3] China withdrew before the competition due to strict anti-epidemic measures.

[7] The draw took place on 28 April 2021 in Berlin, Germany.