| Type: | Youth |
| Country: | United States |
| Color1: | BF0A30 |
| Color2: | FFFFFF |
| National Fed: | USA Basketball |
| Fiba Zone: | FIBA Americas |
| World Championship: | FIBA 3x3 U23 World Cup |
| Wc Appearances: | 3 |
| Wc Medals: | Gold: (2023) Silver: (2024) |
The USA Men's under-23 3x3 Teams are two of the under-23 3x3 basketball teams under the auspices of the USA Basketball organization. In 2018, International Basketball Federation (FIBA) held the FIBA 3x3 U23 World Cup. It is an 3x3 under-23 basketball tournament held in every year for basketball players up to 23 years old. In 2020, it was not held due to COVID-19 pandemic.[1]
The team won the first 3x3 U23 World Cup title in 2023, back-to-back years in the tournament, securing a silver medals and second straight title game appearance in 2024.[2]
| Year | Result | Position | width=25px | width=25px | width=25px | |||
|---|---|---|---|---|---|---|---|---|
 2018 | Did not qualified | |||||||
| 2019 | Preliminary round | 17th | 4 | 0 | 4 | |||
| 2022 | Did not qualified | |||||||
 2023 | Champions | 1st | 7 | 7 | 0 | |||
| 2024 | Runners-up | 2nd | 7 | 6 | 1 | |||
| Total | 1 Title | 3/5 | 18 | 13 | 5 | |||