Macdonald
The taxon authority Macdonald may refer to:
- Gabrielle Tompkins-Macdonald, Canadian zoologist
- James David Macdonald (1908–2002), ornithologist
- James Reid Macdonald (1918–2004), U.S. palaeontologist
- John Arthur Macdonald, Australian entomologist
- John Denis Macdonald (1826–1908), British naval surgeon and zoologist
- John R. MacDonald, U.S. lepidopterist
- Stewart L. Macdonald, Australian zoologist
See also: McDonald