| Belize U-20 | |
| Badge: | Flag of Belize.svg |
| Badge Size: | 200px |
| Fifa Trigramme: | BLZ |
| Association: | Football Federation of Belize |
| Confederation: | CONCACAF (North America) |
| Coach: | Marin Philip Elexious |
| First Game: | 1–0 (Alajuela, Costa Rica; unknown date 1990) |
| Largest Loss: | 0–8 (Belmopan, Belize; unknown date 1990) |
| Regional Name: | CONCACAF Under-20 Championship |
| Regional Cup Apps: | 2 |
| Regional Cup First: | 1994 |
| Regional Cup Best: | Group stage (1994, 2018) |
The Belize national under-20 football team represents Belize in international football at this age level and is controlled by the Football Federation of Belize.