Robert the Strong (a ?-866) was a count of Tours. He was nominated by Charles the Bald missus dominicus for the Tours and Angers regions in 853. After a rebellion against Charles II in 855 he becomes duke for the region between Seine and Loire. From this time he is responsible for fighting against Normans and Britons and eventually meets his demise in 866 fighting the Normans in the battle of Brissarthe.
He is the father of Odo, Count of Paris and Robert I of France who both became King of France.