Lieutenant-General Charles William Vane, 3rd Marquess of Londonderry, was an Anglo-Irish nobleman, soldier and politician. He served in the French Revolutionary Wars, in the suppression of the Irish Rebellion of 1798, and in the Napoleonic Wars. He excelled as a cavalry commander in the Peninsular War (1807–1814) under Sir John Moore and the Duke of Wellington.
- Occupation
- politician, diplomat, military officer
- Position held
- Member of Parliament in the Parliament of Ireland, Member of the Privy Council of the United Kingdom, ambassador of the United Kingdom to Austria, ambassador of the United Kingdom of Great Britain and Ireland to Prussia
- Citizenship
- Ireland
