1949–50 Segunda División
The 1949–50 Segunda División season was the 19th since its establishment and was played between 3 September 1949 and 30 April 1950.
Overview before the season
32 teams joined the league, including two relegated from the 1948–49 La Liga and 18 promoted from the 1948–49 Tercera División.;Relegated from La Liga:
;Promoted from Tercera División:
- Orensana
- Osasuna
- Lérida
- Plus Ultra
- Albacete
- Atlético Tetuán
- Arosa
- Gimnástica Torrelavega
- Zaragoza
- Salamanca
- Elche
- Real Córdoba
- Numancia
- Linense
- Mallorca
- Lucense
- Cartagena
- Erandio