Name
- Lieutaud, Joseph, MD, FRS1
- Lloyd, John, FRS1
- Magalhães, Joao Jacinto, Portuguese scientist1
- Mairan, Jean-Jacques, physicist and astronomer, 1678-17711
- Maizeaux, Pierre, journalist and biographer, ?1672-17451
- Mallet, Jaques André, Swiss astronomer1
- Malouin, Paul Jacques, MD, FRS; French physician and chemist1
- Maskelyne, Nevil, DD, FRS; Astronomer Royal1
- Mason, Charles, astronomer1
- Mendes da Costa, Emanuel, FRS; naturalist1
- Mendoça Corte-Real, Diogo, the younger; Portuguese diplomatist1
- Meulan, Chevalier1
- Millan, John, bookseller and publisher, of London1
- Morand, Sauveur François, FRS; French anatomist1
- Mortimer, Cromwell, MD, FRS; Secretary to the Royal Society, c 1693-17521
- Musÿ[remove]1
- Navy of England1
- Nichols, Philip1
- Nollet, Jean Antoine, Abbé; FRS1
- O'Brien, Michael1