C1000 was a Dutch supermarket chain. Founded on 1 April 1977, the chain had 500 stores in 2012, with a market share of 12.1%. The supermarket chain operated in a rather unusual manner for supermarkets in the Netherlands, using the franchise system.

C1000 often found itself in competition with Albert Heijn, the largest Dutch supermarket chain. Until 2008 however, C1000's parent company Schuitema was owned by Royal Ahold,