Colruyt (Dutch pronunciation: [kɔlˈrœyt]) is a Belgian supermarket chain with the headquarters in Halle, Belgium.

It is competing with hard discounters such as Aldi and Lidl in Benelux countries where it is a well established market leader.

The company's retail trade division includes the direct supply of products to retail customers operating through brands Colruyt, OKay, Bio-Planet, DreamLand and ColliShop, among others.

The company supplies to wholesalers and affiliated independent merchants in Belgium, France and Luxembourg.

It also supplies fuels through DATS 24 filling stations in Belgium and France, provides printing and document management solutions (Druco/Mitto) and engineering activities (Intrion), and produces renewable energy (WE Power).