1988–89 Primera B Nacional

Primera B Nacional
Chaco for Ever, champion
Season1988–89
ChampionsChaco For Ever (1st. title)
Promoted
Relegated
Top goalscorerDaniel Aquino
Sergio Recchiutti
(24 goals each)

The 1988–89 Argentine Primera B Nacional was the 3rd. 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. Chaco For Ever (champion) and Unión (SF) (winner of "Torneo Dodecagonal" after beating arch-rival Colón in a two-legged series) promoted to Primera División.

On the other hand, Chacarita Juniors, Temperley, and Estación Quequén (Necochea) were relegated to Primera B.