Name
- Guilleminot, Armand Charles, Comte, army officer and diplomat, 1774-18401
- Gutiérrez de los Rìos y Sarmiento de Sotomayor, Carlos José Francisco de Paulo, Duque de Fernán Nuñez and Duque de Montellano1
- Hamilton, Andrew, Secretary, Alliance British and Foreign Life and Fire Insurance Co1
- Hamilton, Thomas, 9th Earl of Haddington1
- Helena, wife of Grand Duke Michael Pavlovich, of Russia1
- Herbert, George Augustus, 11th Earl of Pembroke, 1759-18271
- Heredia, Narciso, Conde d'Ofalia, Spanish Ambassador in London1
- Herries, John Charles, statesman1
- Hervey, Frederick William, 5th Earl of Bristol, 1st Marquess of Bristol1
- Hotham, Henry, KCB, Lord of the Admiralty1
- Howell, James Albert1
- Hughes, Christopher, US chargé d'affaires at The Hague1
- Humboldt, Friedrich Heinrich Alexander, naturalist and explorer, 1769-18591
- Huskisson, William, statesman, 1770-18301
- Inglis, Robert Harry, 2nd Baronet, MP, 1786-18551
- Irving, John, MP1
- Irving, Washington, American author1
- Italinsky, Andrei Yakovlevich, Russian diplomatist1
- Johnson's Picture Rooms, London, Covent Garden1
- Kaan, Samuel1