Jensen
The taxon authority Jensen may refer to:
- Adolf Severin Jensen (1866–1953), Danish zoologist and ichthyologist
- Anders Christian Jensen-Haarup (1863–1934), Danish entomologist (Hymenoptera)
- Andrew S. Jensen (fl. 2014), U.S. entomologist
- Cassandra P. Jensen (fl. 2015; C.P.Jensen), phycologist
- Christian Erasmus Otterstrøm Jensen (1859–1941; C.E.O.Jensen), Danish botanist and bryologist
- Colin Jensen, entomologist
- Erika A. Jensen (fl. 2002), entomologist
- Flemming Pagh Jensen (fl. 1983), ornithologist
- Hans Laurits Jensen (fl. 1934), bacteriologist
- James Alvin Jensen (1918–1999), U.S. paleontologist
- James Bernard Jensen (1936–1993; J.B.Jensen), phycologist
- Johan Georg Keller Jensen (1818–1886; Jensen), botanist
- Kathe Jensen (fl. 2012), U.S. parasitologist and ichthyologist
- Kathe R. Jensen (fl. 1985), malacologist
- Kevin B. Jensen (fl. 1992; K.B.Jensen), botanist
- Kirsten Jensen (fl. 2012), U.S. invertebrate zoologist
- Olaf Scheveland Jensen, (1847–1887), helminthologist
- Paul R. Jensen (fl. 2013), bacteriologist
- Peter Gam Jensen (fl. 1990), Danish carcinologist
- Richard J. Jensen (born 1947; R.J.Jensen), U.S. botanist
- Thomas Jensen (1824–1877; T.Jensen), botanist
- Sören Jensen (fl. 1993), Swedish chemist and biologist