Fürstenberg-Baar was a County of medieval Germany, located in southern Baden-Württemberg in the territory of Baar. It was created as a partition of Fürstenberg-Fürstenberg in 1441. It inherited the County of Fürstenberg-Geisingen in 1483, and Fürstenberg-Wolfach in 1490. It was partitioned between Fürstenberg-Blomberg and Fürstenberg-Heiligenberg in 1559.