The 1969–70 Tercera División season was the 36th edition since its establishment.
Group 1
Group 2
Group 3
Group 4
Group 5
Group 6
Group 7
Group 8
Playoffs
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
External links RSSSF Futbolme