The 2021 FIBA 3x3 AmeriCup was the inaugural edition of the FIBA 3x3 Americup. It was the first-ever national team competition for 3x3 in the Americas. The games were held from November 12 to November 14 in Miami, United States. Sixteen men's teams and 13 women's teams participated in the event celebrated at the Bayfront Park in Downtown Miami.
The winners from qualifying draw A and B is included in the Pools C and D, respectively. Numbers in the parentheses are seeds.
Preliminary round is played as a round-robin format and top two teams from each pool advance to the quarterfinal.
All times are local.
All times are local.