1970–71 Segunda División

The 1970–71 Segunda División season was the 40th since its establishment and was played between 5 September 1970 and 6 June 1971.

Overview before the season
20 teams joined the league, including 3 relegated from the 1969–70 La Liga and 7 promoted from the 1969–70 Tercera División.


 * Relegated from La Liga:
 * Deportivo La Coruña
 * Mallorca
 * Pontevedra


 * Promoted from Tercera División:


 * Langreo
 * Real Santander
 * Logroñés
 * Villarreal
 * Hércules
 * Cádiz
 * Moscardó