1948–49 Segunda División

The 1948–49 Segunda División season was the 18th since its establishment and was played between 11 September 1948 and 17 April 1949.

Overview before the season
14 teams joined the league, including two relegated from the 1947–48 La Liga and two promoted from the 1947–48 Tercera División.


 * Relegated from La Liga:
 * Real Sociedad
 * Real Gijón


 * Promoted from Tercera División:
 * Real Santander
 * Gerona