1990–91 Segunda División B

The 1990–91 Segunda División B season was the 14th since its establishment. The first matches of the season were played on 1 September 1990, and the season ended in 23 June 1991 with the promotion play-off final games.

Overview before the season
80 teams joined the league, including four relegated from the 1989–90 Segunda División and 18 promoted from the 1989–90 Tercera División. The composition of the groups was determined by the Royal Spanish Football Federation, attending to geographical criteria.


 * Relegated from Segunda División:
 * Racing Santander
 * Real Madrid Deportivo
 * Recreativo
 * Atlético Madrileño


 * Promoted from Tercera División:


 * Compostela
 * Vetusta
 * Gimnástica Torrelavega
 * Alavés
 * Sant Andreu
 * Torrent
 * Móstoles
 * Palencia
 * Los Boliches
 * Fuengirola
 * Betis Deportivo
 * Manacor
 * Las Palmas Atlético
 * Yeclano
 * Extremadura
 * Izarra
 * Huesca
 * Valdepeñas

Group 1
Teams from Asturias, Castile and Leon, Galicia and Madrid.

Group 2
Teams from Andorra, Aragon, Basque Country, Cantabria, Catalonia, Castile and Leon and Navarre.

Group 3
Teams from Andalusia, Canary Islands, Castilla–La Mancha, Ceuta, Extremadura and Melilla.

Group 4
Teams from Balearic Islands, Castilla–La Mancha, Catalonia, Region of Murcia and Valencian Community.