1970–71 Mexican Segunda División season

The 1970–71 Segunda División was the 22nd season of the Mexican Segunda División. The season started on 19 December 1970 and concluded on 8 August 1971. It was won by San Luis, which was the first team to win the Segunda división one year after being promoted from Tercera División.

Changes

 * Zacatepec and Puebla were promoted to Primera División.
 * Zapata was relegated from Segunda División.
 * San Luis, Atlético Cuernavaca, Cuautla, Querétaro and Universidad Veracruzana were promoted from Tercera División.
 * Celaya and C.D. Poza Rica were dissolved.