Pfeffer
The taxon authority Pfeffer may refer to:
- Georg Johann Pfeffer (1854–1931, Pfeffer), German ichthyologist and malacologist
- Martin Pfeffer - acarologist
- W. Pfeffer (active 1913), German entomologist
- Wilhelm Friedrich Philipp Pfeffer (1845–1920, Pfeff.), botanist