The 2021 FIBA 3x3 U18 World Cup – Women's tournament is the eighth edition of this competition.

The event was held in Debrecen, Hungary.

[1] United States won their second successive title with a win against Spain in the final.

[2] Hungarian city, Debrecen, was given the hosting rights.

The seeding and groups were as follows: Egypt (1) Netherlands (7) Ukraine (8) Spain (14) Romania (15) Russia (2) Belarus (6) Mongolia (9) Slovenia (13) United States (16) Germany (3) Latvia (5) Indonesia (10) Israel (17) Estonia (4) Hungary (11) (H) Switzerland (12) All times are local.