Cavendish-Bentinck
Cavendish-Bentinck is a family name that may refer to:
- Anne Cavendish-Bentinck (1916-2008), British nobleman
- Cecilia Nina Cavendish-Bentinck (1862–1938), British aristocrat
- George Cavendish-Bentinck (1802-1848), British statesman
- Margaret Cavendish Bentinck (1715–1785), British art collector
- William Cavendish-Bentinck (1774–1839), British general and statesman
- William Cavendish-Bentinck, 3rd Duke of Portland (1738–1809), British nobleman, politician and Prime Minister
- William Cavendish-Bentinck, 6th Duke of Portland (1857–1943), British nobleman and politician
- William Cavendish-Bentinck, 7th Duke of Portland (1893–1977), British nobleman and politician
- Winifred Cavendish-Bentinck, Duchess of Portland (1863–1954), British nobleman and lady-in-waiting