The 1979–80 Tercera División season is the 3rd season since establishment as the fourth tier.
Group 1
Group 2
Group 3
Group 4
Group 5
Group 6
Group 7
Group 8
Playoffs
Tercera División promotion/relegation playoff
pen.)
Promotion to Tercera: Europa Nava & Unión Club Astillero Permanence in Tercera: Paterna, Horta, Toscal, Lemona & Ind. Melilla
Tercera División Relegation playoff
Permanence in Tercera: San Martín Sotr. Relegation to Regional: Gim. Torrelavega
External links www.rsssf.com