Henry Cavendish (1731–1810) was a British scientist who discovered hydrogen.

Henry Cavendish may also refer to:

• Sir Henry Cavendish (politician) (1550–1616), MP for Derbyshire and libertine
• Henry Cavendish, 2nd Duke of Newcastle (1630–1691), earlier styled Viscount Mansfield
• Henry Cavendish, Earl of Ogle (1659–1680), British aristocrat
• Lord Henry Cavendish (1673–1700), MP for Derby 1695–1700
• Sir Henry Cavendish, 1st Baronet (1707–1776), British politician
• Sir Henry Cavendish, 2nd Baronet (1732–1804), Irish politician, also MP for Lostwithiel 1768–74
• Henry Cavendish (British Army officer) (1789–1873), courtier, earlier MP for Derby 1812–35
• Henry Cavendish, 3rd Baron Waterpark (1793–1863), Whig MP for Knaresborough, Derbyshire South, and Lichfield
• Henry Cavendish, 4th Baron Waterpark (1839–1912), British aristocrat and sportsman
• Lord Henry Cavendish-Bentinck (1863–1931), MP for Norfolk North-West and Nottingham South

• Lord George Cavendish (1810–1880) (George Henry Cavendish), MP for North Derbyshire 1834–80
• George Henry Compton Cavendish (1784–1809), MP for Aylesbury 1806–09

Topics referred to by the same term

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