José Antonio Querejeta Altuna (born 19 March 1957), known as Josean Querejeta, is a retired basketball player of Saski Baskonia, Real Madrid, Joventut Badalona and CAI Zaragoza, and the current president of Vitoria-Gasteiz-based Saski Baskonia since 1988, following the conversion of the club into a S.A.D.

From 2013 his Avtibask S.L.

group also held a controlling stake in the city's football club Deportivo Alavés.

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