The 2023 FIBA 3x3 U18 World Cup – Men's tournament is the tenth edition of this competition.

For the third time, the event was held in Debrecen, Hungary.

[1] Germany won their first title with a win against France in the final.

[2] For the third time in a row, Hungarian city, Debrecen, was given the hosting rights.

The seeding and groups were as follows: Germany (1) Qatar (8) Tunisia (9) Congo DR (16) (withdrew) Mongolia (17) Estonia (2) Brazil (7) Slovenia (10) Serbia (15) Morocco (18) Thailand (3) Egypt (6) France (11) Japan (14) Hungary (19) (H) Latvia (4) Kyrgyzstan (5) Ukraine (12) India (13) Israel (20) All times are local.