Sociedad Deportiva Leioa is a Spanish football team based in Leioa, in the autonomous community of Basque Country.

Founded in 1925 it plays in Tercera Federación – Group 4, holding home games at Estadio Sarriena, which has a capacity of 3,741 spectators.

[1] In the 2017–18 season, the club finished 10th in the Segunda División B, Group 2.

[2] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.