Cardinal Guillaume, Guillermo or William de Croÿ, a member of the noble House of Croÿ, was Prince-Bishop of Cambrai from 1516 to 1519 and Archbishop of Toledo from 1517 to 1521. He was born in the Habsburg Netherlands and died in Worms, Germany.
- Occupation
- Catholic priest, archbishop
- Position held
- apostolic administrator, Roman Catholic Bishop of Cambrai, cardinal-deacon
- Citizenship
- France
- Born
- 1498
- Died
- January 6, 1521