Coomans or Cooman (Dutch pronunciation: [ˈkoːmɑn(s)]) is a Dutch occupational surname most common in Belgium. The name derives via assimilation from the common surname Koopman ("merchant). Among variant forms are Comans, Coopman(s), De Cooman, Koeman(s), Kooman, Koomen, and Koopmans. People with this name include: