Du Pre Alexander, 2nd Earl of Caledon, Irish politician, Lord Lieutenant of Tyrone (d. 1839)

Du Pré Alexander, 2nd Earl of Caledon KP (14 December 1777 – 8 April 1839), styled The Honourable Du Pré Alexander from 1790 to 1800 and Viscount Alexander from 1800 to 1802, was an Irish peer, landlord and colonial administrator, and was the second child and only son of James Alexander, 1st Earl of Caledon.