Guillaume de Croy
Guillaume de Croÿ is the name of the following people:
- Guillaume I. de Croÿ († ~ 1384), Baron of Airaines
- Guillaume II. De Croÿ (1458–1521), Count of Beaumont, Margrave of Aarschot, Duke of Soria and Archi
- Guillaume III. de Croÿ (1498–1521), Cardinal, Bishop of Cambrai and Apostolic Administrator
- Guillaume de Croy, Knight of Chièvres (1458–1521), educator and adviser to Emperor Charles V.