ArcelorMittal Ghent is a Belgian steelworks situated in Ghent near Zelzate, Flanders. It was founded in 1962 by ARBED as Sidmar; the first maritime steel producer in Belgium.

The company produces ~5million tonnes pa of flat steel, with automotive manufacturers being a major source of custom. Flat steel is produced as hot or electrolytically galvanised, and plastic coated steel. The plant produces steel from ore, and has coking plants, Sinter Plants (blast furnace feedstock production), blast furnaces of total capacity over 4million tonnes pa, and hot and cold rolling facilities.