| Competition: | Copa Mustang |
| Season: | 1990 |
| Winners: | América de Cali (7th title) |
| Matches: | 336 |
| Total Goals: | 758 |
| League Topscorer: | Antony de Ávila (25) |
| Prevseason: | 1989 |
| Nextseason: | 1991 |
The 1990 Copa Mustang was the fourty-third season of Colombia's top-flight football league. América de Cali won the league for the seventh time after winning the Cuadrangular final.[1]