The Counts of Montlhéry were a noble family in medieval France, primarily associated with the region of Montlhéry, located near Paris. They played a significant role in the feudal system, holding lands and exercising power during the 10th to 12th centuries. Their influence extended over various territories, and they were known for their military engagements and alliances. One of the most notable figures from this family was Hugh of Montlhéry, who became a prominent lord. The counts were involved in the complex political landscape of the time, often interacting with other noble families and the Capetian dynasty, which eventually rose to prominence in France.