Yolande of Dampierre, also known as Yolande of Flanders, Yolande of Kassel and Yolande of Bar (15 September 1326 – 12 December 1395), was Countess of Bar by marriage to Henry IV, Count of Bar. She was Regent of the County of Bar between 1344 and 1349 during the minority of her son Edward II, Count of Bar, and for her son Robert in 1352-1353 and 1356-1359.