The 1997–98 season of Segunda División B of Spanish football started August 1997 and ended May 1998.
Playoffs de Ascenso: Relegated from Segunda División: Promoted from Tercera División: Relegated: Relegated by Real Madrid B relegation: Occupied the vacant spot by Real Madrid C relegation: Teams from Asturias, Castilla–La Mancha, Community of Madrid, Extremadura and Galicia.
Teams from Aragon, Basque Country, Castile and León and Navarre.
Teams from Andorra, Balearic Islands, Canary Islands, Catalonia and Valencian Community.
Teams from Andalusia, Castilla–La Mancha, Melilla and Region of Murcia.