Richard Cavendish may refer to:
Richard Cavendish (Denbigh Boroughs MP) (died c. 1601), English courtier and politician Lord Richard Cavendish (1752–1781), Member of the Parliament of Great Britain Richard Cavendish, 2nd Baron Waterpark (1765–1830), Anglo-Irish politician and peer Lord Richard Cavendish (1794–1876), Member of Parliament, member of the Canterbury Association Lord Richard Cavendish (1871–1946), British aristocrat, author, magistrate and politician Richard Cavendish (occult writer) (1930–2016), British writer on topics dealing with the occult