Hamilton
The taxon authority Hamilton may refer to:
- Alexander Greenlaw Hamilton (1852-1941; A.G.Ham.), Australian botanist
- Alison M. Hamilton (fl. 2011), herpetologist
- Arthur Hamilton (1795–1860; A.Ham.), Swiss botanist
- Arthur Andrew Hamilton (1855-1929; A.A.Ham.), Australian botanist
- Francis Buchanan-Hamilton (1762–1829, Buch.-Ham. [botany], Hamilton [zoology, particularly ichthyology]), Scottish zoologist and botanist.
- Clement W. Hamilton (born 1954; C.W.Ham.), botanist
- Chris A. Hamilton, U.S. arachnologist
- Fredericka B. Hamilton, entomologist
- Gerald Edwin Hamilton Barrett-Hamilton (1871–1914), British mammalogist
- George Hamilton, entomologist
- Healy Hamilton, ichthyologist
- John Hamilton (1827—1897) U.S. entomologist
- K.G. Andrew Hamilton, Canadian entomologist (Hemiptera)
- Kenneth Hamilton (K.Ham.), botanist
- Maiya L. Hamilton, entomologist
- Martin A. Hamilton, botanist
- Meredith J. Hamilton (fl. 2004), U.S. zoologist
- Paul S. Hamilton, herpetologist
- Robert W. Hamilton, entomologist
- Steven W. Hamilton, U.S. entomologist (Trichoptera}
- W.S. Hamilton (fl. 1885; W.S.Ham.), botanist
- William Hamilton (1783–1856), Irish botanist
- William John Hamilton, Jr. (1902–1990), U.S. mammalogist and naturalist
- William Roger Hamilton (1945–1979), British palaeontologist