Unión Deportiva San Sebastián de los Reyes, also known as Sanse is a Spanish football team based in San Sebastián de los Reyes, in the autonomous community of Madrid.

Founded in 1971 it plays in Segunda Federación – Group 5, holding home matches at Estadio Nuevo Matapiñonera, with a capacity of 3,000 seats.

After several years in the lower divisions of Madrid, the club debuted in Tercera División in the 1985–86 season.

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

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