1989–90 Mexican Segunda División season

Segunda División de México
Season1989–90
ChampionsLeón (1st Title)
PromotedBachilleres
Galicia
Ayense
RelegatedSUOO
Galicia
Ayense
Matches played406
Goals scored1,023 (2.52 per match)
Top goalscorerJaime Ríos
Raúl Torales
(21 goals)

The 1989–90 Segunda División was the 41st season of the Mexican Segunda División. The season started on 18 August 1989 and concluded on 3 June 1990. It was won by León.