1969–70 Mexican Segunda División season

The 1969–70 Mexican Segunda División was the 20th season of the Mexican Segunda División. The season started on 10 July 1969 and concluded on 1 March 1970. It was won by Zacatepec.

Changes

 * Torreón was promoted to Primera División.
 * Nuevo León was relegated from Primera División.
 * Texcoco was relegated from Segunda División.
 * Naucalpan was promoted from Tercera División.