Henry Cadogan (disambiguation)
# Henry Cadogan (disambiguation)

Henry Cadogan may refer to:

* Henry Cadogan (1642–1713/14), Anglo-Irish lawyer, father of the first Earl Cadogan
* Henry Cadogan, 4th Earl Cadogan (1812–1873), styled Viscount Chelsea between 1820 and 1864, British diplomat and politician
* Henry Cadogan, Viscount Chelsea (1868–1908), British politician
* Henry Cadogan (British Army officer) (1780–1813) who fell leading British troops at the Battle of Vittoria
