1969–70 Tercera División

The 1969–70 Tercera División season is the 36th since its establishment.

Promotion to Segunda División

 * Match of Tiebreaker:


 * Promotion to Segunda: Langreo, Logroñés, Cádiz and Moscardó
 * Qualified to promotion/relegation playoff: Villarreal, Hércules, Santander and Tarrasa

Promotion/relegation

 * Match of Tiebreaker:


 * Permanence in Segunda: Burgos
 * Promotion to Segunda: Hércules, Villarreal and Santander
 * Relegation to Tercera: Osasuna, Bilbao At. and Ilicitano