1989–90 Primera B Nacional
| Season | 1989–90 |
|---|---|
| Champions | Huracán (1st divisional title) |
| Promoted | Huracán Lanús |
| Relegated | Los Andes Olimpo Deportivo Armenio |
| Top goalscorer | Abel Blasón Juan Almada 20 goals |
← 1988–89 1990–91 → | |
The 1989–90 Argentine Primera B Nacional was the fourth season of second division professional of football in Argentina. A total of 22 teams competed; the champion and runner-up were promoted to Argentine Primera División.