Olsen

The taxon authority Olsen may refer to:

Albert Mervyn Olsen (1917–2008), Australian bacteriologist, ichthyologist, and biochemist, also published as Mick Olsen.
C.E. Olsen, (fl. 1918), entomologist (Hemiptera)
Jeanine Louise Olsen (born 1952, J.L.Olsen), phycologist
Jerry Olsen, Australian ornithologist
John S. Olsen (born 1950; Olsen), botanist
Paul Eric Olsen, palaeontologist
Richard T. Olsen (fl. 2009, R.T.Olsen), botanist

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