List of Lord High Commissioners of The Ionian Islands

The Lord High Commissioner of the Ionian Islands was the local representative of the British government in the United States of the Ionian Islands between 1814 and 1863. At the time, the United States of the Ionian Islands was a federal republic under the amical protection of the United Kingdom, as established under the 1815 Treaty of Paris. Governors were based in Corfu, northernmost of the seven Ionian Islands, which are off the western coast of mainland Greece.

A list of the islands' High Commissioners. After the tenure of Sir James Campbell, who took over from the military governorship of Major Oswald, High Commissioners added 'Lord' to their titles. Gladstone who served for just under 12 weeks was appointed as 'Extraordinary' Lord High Commissioner:

• Sir James Campbell (1813–1816)
• Sir Thomas Maitland (1816–1823)
• Sir Frederick Adam (1823–1832)
• Sir Alexander George Woodford (1832–1832) (Acting)
• George Nugent-Grenville, 2nd Baron Nugent (1832–1835)
• Sir Howard Douglas (1835–1840)
• James Alexander Stewart-Mackenzie (1840–1843)
• John Colborn, Lord Seaton (1843–1849)
• Sir Henry George Ward (1849–1855)
• Sir John Young (1855–1859)
• William Ewart Gladstone (November 1858–February 1859)
• Sir Henry Knight Storks (1859–1864)
• Count Dimitrios Nikolaou Karousos (1864)