1974–75 Mexican Segunda División season

The 1974–75 Segunda División was the 26th season of the Mexican Segunda División. The season started on 14 July 1974 and concluded on 5 July 1975. It was won by UAG.

Changes

 * UANL was promoted to Primera División as Segunda División winners.
 * U. de G. bought the franchise belonging to Torreón and was promoted to Primera Division.
 * Unión de Curtidores and U. de S.L.P. were invited to the Primera Division due to an expansion of teams, as the league went from 18 to 20 teams.
 * San Luis was relegated from Primera División.
 * UAEM was relegated from Segunda División.
 * Celaya, Deportivo Acapulco, Inter Acapulco, Tecnológico de Celaya, Atlético Tepeji del Río, Iguala, Ciudad Sahagún, Córdoba, and UAT were promoted from Tercera División.
 * Pachuca was on hiatus for this season.
 * Zamora requested to play in the Tercera División for internal reasons.
 * Halcones Saltillo joined as an expansion team.