Name
- Hilarion, Saint, of Add MS 386841
- Hinder, John, Churchwarden of St. Margaret's, Westminster1
- Hitchcock, Mary1
- Hochepied, Daniel Jan, Baron, Dutch Consul at Smyrna1
- Holmes, Robert, Admiral MP, Governor of the Isle of Wight, c 1622-16921
- Homrygh, Bartholomew1
- Hotham, John, Bishop of Clogher1
- Howard, Robert, Knight, dramatist and politician, 1626-16981
- Howe, John, Paymaster-General of the Guards and Garrisons1
- Howell, Fulk ap, Lancaster Herald1
- Humphrey of Lancaster, Duke of Gloucester, 1390-14471
- Hunter, James, Churchwarden of St. Margaret's, Westminster1
- Hutton, John, of Add MS 387081
- Hyde, William, of Add MS 387131
- Ibn Buṭlān, Abū al-Ḥasan al-Mukhtār ibn ‘Abdūn, physician, d c 10681
- Ingoldsby, Richard, Brigadier-General1
- Ingram, Matthew1
- Isaacson, Anthony, Collector of Customs at Newcastle1
- Isebrandt, Charles, Prussian; engineer in the Dutch service1
- Ittersum, Colonel1