| FIBA Under-18 AmeriCup | |
| Current Season: | 2024 FIBA Under-18 AmeriCup |
| Formerly: | FIBA Under-18 Americas Championship FIBA Americas Under-19 Championship |
| Sport: | Basketball |
| Teams: | 8 |
| Continent: | FIBA Americas (Americas) |
| Champion: | (11th title) |
| Most Champs: | (11 titles) |
| Qualification: | FIBA Under-19 Basketball World Cup |
| Related Comps: | FIBA Under-16 AmeriCup |
The FIBA Under-18 AmeriCup, previously known as the FIBA Under-18 Americas Championship, is the Americas basketball championship for under-18 national teams that takes place every two years in the FIBA Americas zone.
Before the 2006 edition, the tournament was played by under-19 teams. The top four finishers qualify for the FIBA Under-19 Basketball World Cup.
| Year | Host | Gold medal game | Bronze medal game | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| width=15% | Gold | width=6.5% | Score | width=15% | Silver | width=15% | Bronze | width=6.5% | Score | width=15% | Fourth place |
| 1990 |  Uruguay(Montevideo) | 105–73 | 69–61 | ||||||||
| 1994 |  Argentina(Santa Rosa) | 77–72 | 70–47 | ||||||||
| 1998 |  Dominican Republic(Puerto Plata) | 91–66 | 74–70 | ||||||||
| 2002 | (Margarita Island) | 76–53 | 71–65 | ||||||||
| 2006 |  United States(San Antonio) | 104–82 | 79–70 | ||||||||
| 2008 | Argentina (Formosa) | 77–64 | 83–68 | ||||||||
| 2010 | United States (San Antonio) | 81–78 | 86–83 (OT) | ||||||||
| 2012 |  Brazil(São Sebastião do Paraíso) | 81–56 | 68–66 | ||||||||
| 2014 | United States (Colorado Springs) | 113–79 | 64–53 | ||||||||
| 2016 |  Chile(Valdivia) | 99–84 | 59–58 | ||||||||
| 2018 |  Canada(St. Catharines) | 113–74 | 87–79 | ||||||||
| 2020 | Cancelled due to the COVID-19 pandemic in North America and South America | ||||||||||
| 2022 |  Mexico(Tijuana) | 102–60 | 81–57 | ||||||||
| 2024 | Argentina (Buenos Aires) | 110–70 | 89–67 | ||||||||
| Team | 1990 | 1994 | 1998 | 2002 | 2006 | 2008 | 2010 | 2012 | 2014 | 2016 | 2018 | 2022 | 2024 | Total | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| bgcolor=silver | 2nd | 2nd | bgcolor=silver | 2nd | 4th | bgcolor=silver | 2nd | 1st | 4th | 4th | 4th | 5th | 3rd | 4th | 2nd | 13 | |||||||
| — | — | — | — | 7th | 8th | — | — | — | — | — | — | — | 2 | ||||||||||
| — | — | — | — | — | — | — | — | — | — | — | — | 8th | 1 | ||||||||||
| 3rd | 5th | 3rd | 6th | 3rd | — | bgcolor=silver | 2nd | 2nd | 6th | 3rd | — | 2nd | 5th | 11 | |||||||||
| 9th | 7th | 6th | 7th | 4th | 3rd | 3rd | 3rd | bgcolor=silver | 2nd | bgcolor=silver | 2nd | 2nd | 3rd | 3rd | 13 | ||||||||
| — | — | — | — | — | — | — | — | — | 6th | 5th | — | — | 2 | ||||||||||
| — | — | — | — | — | — | — | 8th | — | — | — | — | — | 1 | ||||||||||
| 10th | — | — | — | — | — | — | — | — | — | — | — | — | 1 | ||||||||||
| 6th | — | 7th | — | — | — | — | — | — | — | — | — | — | 2 | ||||||||||
| — | 6th | 5th | 5th | — | — | — | — | 3rd | 8th | 6th | 7th | 4th | 8 | ||||||||||
| — | — | — | — | — | — | — | — | — | — | 8th | 8th | — | 2 | ||||||||||
| — | 9th | 8th | 8th | 8th | 7th | 8th | 5th | 7th | — | — | 6th | — | 9 | ||||||||||
| 7th | 8th | — | — | — | — | — | — | — | — | 7th | — | — | 3 | ||||||||||
| 5th | 3rd | — | bgcolor=gold | 1st | 5th | 4th | 6th | 6th | 5th | 4th | 4th | 5th | 7th | 12 | |||||||||
| bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | 3rd | 1st | bgcolor=silver | 2nd | 1st | bgcolor=gold | 1st | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | 13 | |
| 4th | 9th | — | — | 6th | 6th | 5th | — | 8th | — | — | — | — | 6 | ||||||||||
| 8th | 4th | 4th | 2nd | — | 5th | — | — | — | — | — | — | 6th | 6 | ||||||||||
| — | — | — | — | — | — | 7th | 7th | — | 7th | — | — | — | 3 | ||||||||||
| Total | 10 | 10 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Year | MVP Award Winner | |
|---|---|---|
| 2014 | Stanley Johnson | |
| 2016 | Markelle Fultz | |
| 2018 | Quentin Grimes | |
| 2022 | Cam Whitmore | |
| 2024 | Darius Acuff Jr. |
| Team | 1979 |  1983 |  1987 | 1991 |  1995 |  1999 | 2003 |  2007 |  2009 |  2011 |  2013 | 2015 |  2017 | 2019 | 2021 |  2023 |  2025 | 2027 | Total | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3rd | 7th | — | 3rd | 6th | 4th | 10th | 6th | 5th | 4th | 12th | 10th | 8th | 11th | 8th | 5th | Q | 16 | |||||||||||||
| bgcolor=silver | 2nd | 3rd | 20th | 7th | — | 8th | — | 4th | — | 9th | 10th | — | — | — | — | 11th | — | 9 | ||||||||||||
| 7th | 14th | 6th | 8th | — | — | — | 10th | 7th | 11th | 6th | 5th | bgcolor=gold | 1st | 8th | 3rd | 7th | Q | 14 | ||||||||||||
| — | 9th | — | — | — | — | — | — | — | — | — | 5th | 13th | — | — | — | Q | 4 | |||||||||||||
| 11th | — | — | — | — | — | — | — | — | — | — | 5th | 13th | — | — | — | — | 3 | |||||||||||||
| — | — | 8th | — | 10th | — | 6th | 16th | 6th | — | — | — | 9th | 6th | 14th | — | — | 8 | |||||||||||||
| bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=silver | 2nd | bgcolor=gold | 1st | 7th | bgcolor=silver | 2nd | 5th | bgcolor=silver | 2nd | bgcolor=gold | 1st | 5th | bgcolor=gold | 1st | bgcolor=gold | 1st | 3rd | bgcolor=gold | 1st | bgcolor=gold | 1st | 4th | Q | 17 | ||
| 8th | 12th | — | 14th | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | |||||||||||||
| — | — | — | — | 12th | 12th | 9th | — | — | — | — | — | — | — | — | — | — | 3 | |||||||||||||
| Total | 6 | 6 | 4 | 5 | 4 | 4 | 4 | 5 | 4 | 4 | 4 | 5 | 6 | 4 | 4 | 4 | 4 | 4 | 85 |