1979–80 Mexican Segunda División season

Segunda División de México
Season1979–80
ChampionsAtletas Campesinos (1st Title)
PromotedLobos de Tlaxcala
SUOO
Cachorros León
RelegatedUV Coatzacoalcos
Matches played578
Goals scored1,578 (2.73 per match)
Top goalscorerMario Díaz Beltrán
(34 goals)

The 1979–80 Segunda División was the 31st season of the Mexican Segunda División. The season started on 14 July 1979 and concluded on 22 June 1980. It was won by Atletas Campesinos.