| Competition: | Primera División de México |
| Season: | 1985–86 |
| Continentalcup1: | Champions' Cup |
| Matches: | 288 |
| Total Goals: | 785 |
| Prevseason: | 1984–85 |
| Nextseason: | 1986–87 |
The 1985–86 Mexican Primera División season was the 44th edition of the Mexican Primera Division, the top division of Mexican football. The tournament started on 12 July 1985 and ended on 1 March 1986.
The tournament began on 12 July 1985 and ended on 6 October 1985.
It was contested by 20 teams, divided into 4 groups of five teams in a round-robin system.
América won the championship, beating Tampico Madero on aggregate for their sixth title and their third back-to-back title.
Irapuato was promoted from Segunda División, and Zacatepec was relegated.
The tournament started on 11 October 1985 and ended on 1 March 1986.
It was contested by 20 teams divided into two teams of 10 in a round-robin system, with the first four teams of the group qualifying to the playoffs.
Monterrey beat Tampico Madero on aggregate for their first ever title.