Timm
The taxon authority Timm may refer to:
- Alicia Eva Timm, U.S. entomologist (Lepidoptera)
- Joachim Christian Timm (1734–1805, Timm), German botanist
- Richard William Timm, zoologist
- Robert M. Timm, American zoologist
- Tarmo Timm, Estonian annelidologist
- Vitor Falchi Timm - Brazilian entomologist