William Arthur Henry Cavendish-Bentinck, 7th Duke of Portland,, styled Marquess of Titchfield until 1943, was a British peer and Conservative politician.
- Occupation
- politician, justice of the peace
- Position held
- member of the 37th Parliament of the United Kingdom, member of the 36th Parliament of the United Kingdom, member of the 35th Parliament of the United Kingdom, member of the 34th Parliament of the United Kingdom
- Citizenship
- United Kingdom
- Born
- March 16, 1893