| FIBA Under-18 Women's AmeriCup | |
| Current Season: | 2024 FIBA Under-18 Women's AmeriCup |
| Formerly: | FIBA Under-18 Women's Americas Championship FIBA Americas Under-19 Championship for Women |
| Sport: | Basketball |
| Teams: | 8 |
| Continent: | FIBA Americas (Americas) |
| Champion: | (12th title) |
| Most Champs: | (12 titles) |
| Qualification: | FIBA Under-19 Women's Basketball World Cup |
| Related Comps: | FIBA Under-16 Women's AmeriCup |
The FIBA Under-18 Women's AmeriCup, previously known as the FIBA Under-18 Women's 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 2004 edition, the tournament was played by under-19 teams. The top four finishers qualify for the FIBA Under-19 Women's 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 |
| 1988 |  Brazil(São Paulo) | 70–68 | – | ||||||||
| 1992 |  Mexico(Guanajuato) | 80–70 | – | ||||||||
| 1996 | Mexico (Cancún) | 82–78 | 69–61 | ||||||||
| 2000 |  Argentina(Mar del Plata) | 69–46 | 59–39 | ||||||||
| 2004 |  Puerto Rico(Mayagüez) | 121–56 | 47–43 | ||||||||
| 2006 |  United States(Colorado Springs) | 85–52 | 73–69 | ||||||||
| 2008 | Argentina (Buenos Aires) | Round-robin group | Round-robin group | ||||||||
| 2010 | United States (Colorado Springs) | 81–38 | 81–42 | ||||||||
| 2012 | Puerto Rico (Gurabo) | 71–47 | 53–49 | ||||||||
| 2014 | United States (Colorado Springs) | 104–74 | 69–67 | ||||||||
| 2016 |  Chile(Valdivia) | 109–62 | 70–64 | ||||||||
| 2018 | Mexico (Mexico City) | 84–60 | 62–52 | ||||||||
| 2020 | Cancelled due to COVID-19 pandemic in North America and South America | ||||||||||
| 2022 | Argentina (Buenos Aires) | 82–77 | 55–50 | ||||||||
| 2024 |  Colombia(Bucaramanga) | 80–69 | 73–66 | ||||||||
| Team | 1988 | 1992 | 1996 | 2000 | 2004 | 2006 | 2008 | 2010 | 2012 | 2014 | 2016 | 2018 | 2022 | 2024 | Total | ||||||||||||||
| 5th | 6th | 3rd | 4th | 5th | 3rd | 4th | 5th | 3rd | 3rd | – | 3rd | 3rd | 3rd | 13 | |||||||||||||||
| – | – | – | – | 8th | – | – | – | – | – | - | – | – | – | 1 | |||||||||||||||
| bgcolor=silver | 2nd | bgcolor=gold | 1st | bgcolor=gold | 1st | 3rd | 4th | 4th | 3rd | bgcolor=silver | 2nd | bgcolor=silver | 2nd | 4th | 3rd | – | 4th | 4th | 13 | ||||||||||
| 4th | 5th | 5th | 5th | 3rd | bgcolor=silver | 2nd | bgcolor=silver | 2nd | 3rd | 4th | bgcolor=silver | 2nd | bgcolor=silver | 2nd | bgcolor=silver | 2nd | bgcolor=silver | 2nd | bgcolor=silver | 2nd | 14 | ||||||||
| 7th | – | - | – | - | – | - | 4th | – | 6th | 6th | 6th | – | – | 5 | |||||||||||||||
| – | 8th | – | - | – | - | – | - | 6th | – | - | 4th | 6th | 6th | 5 | |||||||||||||||
| – | - | 7th | – | - | 7th | – | 8th | – | - | – | – | – | – | 3 | |||||||||||||||
| 3rd | 3rd | 4th | bgcolor=silver | 2nd | – | - | – | - | – | - | – | - | – | – | 4 | ||||||||||||||
| – | - | – | - | 7th | – | - | – | 8th | – | - | – | – | 8th | 3 | |||||||||||||||
| – | - | 8th | – | - | – | - | – | - | – | - | – | – | – | 1 | |||||||||||||||
| – | - | – | - | – | - | – | - | – | 8th | – | 8th | 8th | – | 3 | |||||||||||||||
| 8th | – | - | – | 6th | – | - | – | - | – | 8th | – | – | – | 3 | |||||||||||||||
| – | 7th | 6th | 7th | – | - | – | 6th | 7th | 7th | 5th | 7th | 5th | 7th | 10 | |||||||||||||||
| – | - | – | - | – | 5th | – | - | – | - | – | - | – | – | 1 | |||||||||||||||
| 6th | 4th | – | 8th | bgcolor=silver | 2nd | 6th | 6th | 7th | 5th | 5th | 4th | 5th | 7th | 5th | 13 | ||||||||||||||
| bgcolor=gold | 1st | bgcolor=silver | 2nd | bgcolor=silver | 2nd | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | 14 | |
| – | - | – | 6th | – | - | 5th | – | - | – | 7th | – | – | – | 3 |
| Team | 1985 |  1989 | 1993 | 1997 |  2001 |  2005 |  2007 |  2009 | 2011 |  2013 | 2015 |  2017 | 2019 |  2021 | 2023 | 2025 | Total | |||||||||||
| – | – | – | 9th | – | – | 14th | 3rd | 13th | 14th | 15th | – | 12th | 15th | 16th | 9 | |||||||||||||
| – | 8th | 5th | 4th | 7th | – | 10th | 9th | 3rd | 6th | 10th | – | – | 16th | 14th | 11 | |||||||||||||
| 8th | – | – | – | – | 9th | 9th | 4th | 5th | 7th | 8th | 3rd | 6th | 5th | 3rd | 11 | |||||||||||||
| – | – | – | – | – | – | – | – | 12th | – | – | – | – | – | – | 1 | |||||||||||||
| – | – | – | – | – | – | – | – | – | – | – | – | 11th | – | – | 1 | |||||||||||||
| 9th | 10th | – | 11th | 6th | – | – | – | – | – | – | – | – | – | – | 4 | |||||||||||||
| – | – | – | – | – | – | – | – | – | – | – | 12th | – | – | – | 1 | |||||||||||||
| – | – | – | – | – | 10th | – | – | – | – | – | 14th | – | – | – | 2 | |||||||||||||
| 5th | 7th | 7th | bgcolor=gold | 1st | 3rd | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=silver | 2nd | bgcolor=gold | 1st | bgcolor=gold | 1st | bgcolor=gold | 1st | 15 | ||
| Total | 3 | 3 | 2 | 4 | 3 | 3 | 4 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 59 |