Name
- Buckland, William, Dean of Westminster, geologist and palaeontologist, 1784-18561
- Cooke, Edward, Under-Secretary of State, 1755-18221
- Groom, Ann, née Napier, alias de Bourbon d'Este Paleologues Gonzaga, mother of Charles Ottley Groom Napier, 1815-18951
- Groom, Charles Ottley, alias Groom Napier or de Bourbon d'Este Paleologues Gonzaga, imposter, collector, naturalist and self-styled Prince of Mantua and Montferrat, 1839-18941
- La Touche, James Digues, Vicar of Stokesay; geologist1
- Lankester, Edwin Ray, KCB, FRS1
- Lapworth, Charles, FRS, geologist1
- Lartet, Louis, geologist1
- Lartet, Édouard Armand Isidore Hippolyte, French geologist1
- Laurillard, Charles Léopold, assistant to Baron Cuvier1
- Lavis, Henry James Johnston, geologist1
- Lawson, M. A., Government Botanist, Madras1
- Lawson, William Norton, Secretary of the Geologists' Association1
- Lay, G. Tradescant, writer on China1
- Layard, E. L.1
- Le Moine, James MacPherson, Canadian author1
- Lea, Isaac, American naturalist1
- Leach, William Elford, MD, Assistant Keeper of Natural History, British Museum1
- Lee, Henry, naturalist1
- Lee, John Edward, antiquary1