Okapi Aalstar, for sponsorships reasons named Crelan Okapi Aalstar, is a Belgian professional basketball club from Aalst, Belgium. The club competes in the Basketball League Belgium and plays its home games in the Okapi Forum, which has a seating capacity of 2,800 people.Okapi is a long-time participant of the Belgian first division, is the owner of one Belgian Cup and two Supercups.