Name
- Jackson, Benjamin Daydon, botanist1
- Jackson, John Hughlings, physician1
- Jackson, John, wood-engraver1
- Jackson, Julian al. John Richard, Colonel; formerly of the Imperial Russian Staff; Secretary, Royal Geographical Society, d 18531
- Jackson, Thomas Graham, 1st Baronet 19131
- Jameson, Anna Brownall, author1
- Jameson, Hampden Gumey, botanist1
- Jameson, Robert, Regius Professor of Natural History, Edinburgh1
- Jansen, Winand B. G., of the Ursuline Convent, Upton, county Essex1
- Jardine, William, 7th Baronet, naturalist1
- Jeffrey, Francis, Lord Jeffrey, critic, Lord Advocate1
- Jeffreys, John Gwyn, conchologist1
- Jeffs, Osmund W., geologist1
- Jekyll, Joseph, wit and politician1
- Jenner, William, 1st Baronet, President of the Royal College of Physicians1
- Jerdan, William, editor of 'The Literary Gazette', 1782-18691
- Jerrold, Douglas William, author, 1803-18571
- Jervis, Guglielmo al. William Paget, of the Regio Museo Industriale, Turin1
- Jervis, John, Earl of St Vincent1
- Jesson, Thomas, naturalist1