Alejandro "Álex" Castro Martín (born 20 December 1974) is a Spanish former footballer.
He is the current assistant manager of UD Las Palmas' Juvenil squad.
Born in Las Palmas, Castro spent the vast majority of his professional career in his native Canary Islands.
[2] From 1998 to 2000 Castro contributed 56 league appearances, including 31 in the latter campaign to help his team to promote to La Liga as champions.
[3] His first and only game in the top flight occurred on 1 October 2000, 27 minutes into a 5–1 away loss to Valencia CF.