Jonkheer Sir Willem Boreel, 9th Baronet, Lord of Hogelanden, was a Dutch politician who served as Speaker of the House of Representatives thrice in the period between 1847 and 1855, and as King's Commissioner of North Holland from 1855 until 1860.
- Occupation
- politician
- Position held
- member of the House of Representatives of the Netherlands, member of the Senate of the Netherlands, King's Commissioner of North Holland, Speaker of the House of Representatives
- Citizenship
- Kingdom of the Netherlands
- Born
- March 24, 1800, March 23, 1800