1965–66 Mexican Segunda División season

Segunda División de México
Season1965–66
ChampionsNuevo León (1st Title)
Matches played241
Goals scored801 (3.32 per match)

The 1965–66 Mexican Segunda División was the 16th season of the Mexican Segunda División. The season started on 29 May 1965 and concluded on 19 December 1965. It was won by Nuevo León, for the first time, the champion was defined in a tiebreaker match, in which Nuevo León defeated Tampico with a score of 2-1.