Name
- Dallinger, William Henry, Methodist minister and biologist, 1839-19091
- Damon, Robert, conchologist and geologist, 1814-18891
- Dana, James Dwight, geologist and mineralogist, 1813-18951
- Dantzenberg, Philippe, naturalist, fl 18981
- Darwin, Charles Robert, naturalist, 1809-1882, http://isni.org/isni/000000...1
- Darwin, Francis, Knight, botanist, 1848-19251
- Davidson, Thomas, palaeontologist and artist, 1817-18851
- Davies, Thomas, mineralogist, 1837-18921
- Davis, Joseph Barnard, antiquary and craniologist, 1801-18811
- Dawkins, William Boyd, Knight, geologist and palaeontologist, 1837-19291
- Dawson, John William, Knight, geologist and educationist, 1820-18991
- Deichmüller, Johannes Victor, German mineralogist and palaeontologist, 1854-19441
- Delgado, Joaquim Filippe Nery da Encarnacao, Portuguese geologist, 1835-19081
- Dervieux, Ermanno, writer, fl 1893-19231
- 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