Eibar B

Sociedad Deportiva Eibar B, S.A.D. was a Spanish football team based in Eibar, Gipuzkoa, in the autonomous community of the Basque Country. They are the reserve team of SD Eibar. They play in Segunda Federación – Group 2, holding home games at Unbe Facilities, which held 1,000 spectators. Like the first team, they play in azulgrana – claret and blue – with blue shorts.

Founded in 1994 and dissolved in 2012, the B-team returned to an active status on 26 July 2024, after the affiliation agreement with CD Vitoria ended.

Former players include Ander Capa, Xabi Irureta, Iban Fagoaga, Ion Ansotegi and Jagoba Arrasate.

The team's final head coach was Gaizka Garitano, who then took charge of Eibar's first team and led them to the top tier via consecutive promotions.