Butler
The taxon authority Butler may refer to:
- Alan Butler, botanist
- Aodhán D. Butler, palaeontologist
- Arthur Gardiner Butler (1844–1925), British entomologist, arachnologist, ornithologist
- Arthur James Butler (1911-1984), palaeontologist
- Arthur Lennox Butler (1873–1939), British ornithologist
- Bertram Theodore Butler (1872–1958), botanist
- Brett Oliver Butler, herpetologist
- E. Ann Butler, ostracodologist
- Edward Arthur Butler (1843–1916), British ornithologist
- Edwin John Butler (1874–1943), botanist
- Leonard Stanley Gough Butler, arachnologist
- Montagu Russell Butler, entomologist (Lepidoptera)
- Percy Milton Butler (1912–2015), British zoologist and palaeontologist
- Peter J. Butler, spongiologist
- Richard James Butler, British palaeontologist
- Stephen G. Butler, British entomologist
- W. Ray Butler, U.S. microbiologist