Name
- Deshayes, Gérard Paul, naturalist, 1795-18751
- Detmer, Wilhelm, botanist, 1850-19301
- Dickie, George, botanist, 1812-18821
- Dickson, Hugh Neville, botanist and explorer, 1861-19441
- Dimmock, George, entomologist, genealogist and editor, ?1852-19301
- Doria, Giacomo, naturalist, botanist and politician, 1840-19131
- Dowker, George, geologist, botanist and archaeologist, 1828-18991
- Drew, Frederick, geologist, 1836-18911
- Dreyer, Friedrich, naturalist, fl 18891
- Dumas, Jean-Baptiste André, chemist, 1800-18841
- Duncan, Peter Martin, geologist, 1824-18911
- Duns, John, clergyman, academic and teacher, 1820-19091
- Durham, Arthur Edward, surgeon, lecturer and writer, 1834-18951
- Edwards, Henry, Secretary, New York Entomological Club1
- Edwards, William Henry, American businessman, entomologist and naturalist, 1822-19091
- Egerton, Philip de Malpas, 10th Baronet, palaeontologist and politician, 1806-18811
- Eichler, August Wilhelm, German botanist, 1839-18871
- Elcock, Charles, Quaker1
- Eley, Henry, Reverend; geologist1
- Ellis, Frederick, Secretary of the Bristol Geologist's Association1