Name
- Heucher, Joannes Henricus, Physician to the King of Poland, and Professor of Anatomy and Botany in Wittenberg Academy1
- Hill, Gilbert, of Charterhouse School, and Cambridge University; brother of Aaron Hill1
- Hoofnail, John1
- Hortega, Joseph, Don; Secretario de la Real Academia, at Madrid1
- Hugo, August Johann, Dr; of Hanover1
- Johnn, formerly Danish Envoy to England, now in the Circles of High and Low Saxony1
- Jones, Richard, of Sloane MS 40551
- Jones, William, of Sloane MS 40501
- Joye, Charles, of St. Thomas' Hospital, London1
- Jussieu, Anthoine, MD, of Paris1
- Kellaway, John, of Sloane MS 40551
- King, John, of Bungay1
- Klein, Jacobus Theodorus, Secretary to the Senate of Dantzig1
- Laurie, Walter, of Bristol1
- Lediarde, Thomas1
- Lennox, Charles, 2nd Duke of Richmond and Lennox1
- Lethieullier, Smart, Antiquary1
- Lidderdale, James, MD; of Sloane MS 40501
- Light, Alexander, Mariner1
- Linnaeus, Carl, Swedish botanist; of Sloane MS 40541