Jordan
The taxon authority Jordan may refer to:
- Claude Thomas Alexis Jordan (1814–1897, Jord.), botanist
- David Starr Jordan (1851–1931, D.S.Jord.), ichthyologist and botanist
- Edwin Oakes Jordan (1866–1936), bacteriologist
- Emilio Ariel Jordan, ornithologist
- Eric Knight Jordan (1903–1926), ichthyologist and palaeontologist
- Hanspeter Jordan, ostracodologist
- Harold V. Jordan, microbiologist
- Juan Carlos Jordán, herpetologist
- Juan Pablo Jordán, arachnologist
- Heinrich Ernst Karl Jordan (1861–1959), entomologist
- Robert Coane Roberts Jordan (1825–1890), entomologist
- William Paul Jordan (W.P.Jord.), lichenologist