Cavendish is the name of several places.
Cavendish is also the surname of a British noble family descended from Sir William Cavendish, which has held the following peerages:
The scientist Henry Cavendish, for whom the Cavendish Laboratory is named, is also a member of this family.
Cavendish is also the name of the dominant commercial variety of banana.
Margaret Cavendish was an English philosopher from the 17th century.