Name
- Lee, Sarah, Mrs; authoress1
- Leighton, William Allford, botanist1
- Lindberg, Sextus Otto, botanist1
- Lindley, John, botanist and horticulturist, 1799-18651
- Lindsay, William Lander, botanist1
- Lindström, Gustaf, palaeontologist1
- Lister, Arthur, FRS, d 19081
- Lister, Joseph Jackson, zoologist1
- Lister, Joseph, 1st Baron Lister, surgeon1
- Livingstone, David, explorer and missionary, 1813-18731
- Lloyd, William Alford, of the Crystal Palace Aquarium1
- Lobley, James Logan, geologist1
- Lodge, Oliver Joseph, scientist; of Add MS 425811
- Lovén, Sven, Swedish zoologist1
- Lowry, Joseph Wilson, engraver1
- Lubbock, John William, astronomer1
- Lukis, William Collings, Rector of Wath; archaeologist1
- Lydekker, Richard, zoologist, d 19151
- Lyell, Charles, 1st Baronet, geologist1
- Lütken, Christian Frederik, Danish naturalist1