- La Calmette, François de, author1
- Lallier, Francis.1
- Lassone, Joseph-Marie-François de, 1717-1788, author1
- Lewis, William, 1708-17811
- London Dispensary.2
- London Hospital (Whitechapel, London, England)1
- Lyceum Medicum Londinense (London, England), author.1
- Lying-in Charity (London, England), author.1
- Lynch, Bernard, -17451
- Lynn, Walter, 1677-17631
- M. S. (Moses Stringer)1
- Maddocks, James, -17861
- Magenise, Daniel.1
- Marten, John, -17371
- Medical Society of London.1
- Meibom, Johann Heinrich, 1590-1655, author1
- Mildred & Allen.1
- Moncrief, John, apothecary1
- Monro, Alexander, 1733-18171
- Monro, Donald, 1727-18021