Name
- Krieg, David, MD, of Riga1
- Langius, Carolus Nicolaus, MD, of Lucerne1
- Lavater, Jean Jacques1
- Lawson, John, Surveyor-General of North Carolina1
- Leath, Thomas1
- Lecaan, Jean, Physician to the English Hospital at Mechlin in Brabant1
- Lecaan, Sophia Amelia1
- Leeuwenhoek, Antoni, of Delft1
- Leigh, Jonathan, Apothecary, of London1
- Lewis, George, of Fort St. George, Madras Presidency, India1
- Lewis, Nourse, of Badminton1
- Lhwyd, Edward, Keeper of the Ashmolean Museum1
- Linden, Dr1
- Lister, Martin, MD, Zoologist1
- Littlejohn, Charles, Reverend1
- Llywarch ab Llywelyn, alias Llywarch Prydydd y Moch1
- London, George, of Sloane MS 40591
- Lord, Joseph, of Dorchester in Carolina1
- Marshall, John, MD, of Portsmouth1
- Massey, Isaac, Apothecary, of London1