Catherine of Austria, Lady of Coucy

Catherine of Austria (1320–1349) was the elder daughter of Leopold I, Duke of Austria, and Catherine of Savoy. In 1338 her marriage to Enguerrand VI, Lord of Coucy, was contracted at Vincennes. Their son Enguerrand, the future Enguerrand VII, was born around 1340.

Enguerrand VI was killed in the fighting before Crécy in 1346. Catherine married Konrad von Hardeck in 1348, and both died of the Black Death in 1349, she three days after her husband; she was buried at Königsfelden.