2002–03 Segunda División B

The 2002–03 Segunda División B season of began in August 2002 and ended in May 2003.

Summary before the 2002–03 season
Playoffs de Ascenso:


 * Barakaldo
 * Cultural Leonesa
 * Compostela (P)
 * Pontevedra
 * Barcelona B
 * Espanyol B
 * L'Hospitalet
 * Terrassa (P)
 * Real Madrid B
 * Valencia B
 * Hércules
 * Getafe (P)
 * Motril
 * Ceuta
 * Almería (P)
 * Mérida

Relegated from Segunda División:


 * Burgos
 * Gimnàstic de Tarragona
 * Extremadura
 * Jaén

Promoted from Tercera División:


 * Langreo (from Group 2)
 * Real Avilés (from Group 2)
 * Ribadesella (from Group 2)
 * Noja (from Group 3)
 * Racing de Santander B (from Group 3)
 * Palamós (from Group 5)
 * Gavà (from Group 5)
 * Reus (from Group 5)
 * Real Ávila (from Group 8)
 * Linares (from Group 9)
 * Torredonjimeno (from Group 9)
 * Corralejo (from Group 12)
 * Orihuela (from Group 13)
 * Cacereño (from Group 14)
 * Moralo (from Group 14)
 * Peralta (from Group 15)
 * Peña Sport (from Group 15)

Relegated:


 * Sporting de Gijón B
 * Oviedo B
 * Caudal
 * Universidad de Oviedo
 * Real Sociedad B
 * Eibar B
 * Huesca
 * Alfaro
 * Benidorm
 * Vecindario
 * Onda
 * Mensajero
 * Linense
 * Dos Hermanas
 * San Fernando
 * Coria
 * Beasain

Administrative relegation:
 * Granada (financial trouble)

Occupied the vacant spots by administrative relegations:
 * Málaga B (occupied the vacant spot of Granada)

Group I
Teams from Asturias, Canary Islands, Castile and León, Community of Madrid and Galicia.

Group II
Teams from Aragon, Basque Country, Cantabria, Castilla–La Mancha, La Rioja and Navarre

Group III
Teams from Balearic Islands, Castile and León, Catalonia and Valencian Community

Group IV
Teams from Andalusia, Ceuta, Extremadura, Melilla and Region of Murcia