Editing List of biologists (section)

===Ka–Ke===
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* [[Zbigniew Kabata]] (1924–2014), Polish specialist in fish parasitology, author of ''The Parasitic Copepoda of British Fishes''
* [[Henrik Kacser]] (1918–1995), British geneticist and biochemist, founder of metabolic control analysis
* [[Emil T. Kaiser]] (1938–1988), Hungarian-American protein chemist known work on enzyme modification
* [[Pehr Kalm]] (1716–1779), Swedish-Finnish botanist<ref>Abbreviation in botany: Kalm</ref> who studied the life cycle of the 17-year periodical cicada
* [[Eric R. Kandel]] (born 1929), Austrian-American neuroscientist awarded the Nobel Prize for work on memory
*[[Ferdinand Karsch]] (1853–1936), German arachnologist, entomologist, and anthropologist<ref>Abbreviation in zoology: Karsch</ref>
* [[Gustav Karl Wilhelm Hermann Karsten]] (1817–1908), German botanist<ref>Abbreviation in botany: H.Karst.</ref> and traveller who named many plants
* [[Bernard Katz]] (1911–2003), German-British neuroscientist and biophysicist awarded the Nobel Prize for work on nerve biochemistry
* [[Rudolf Kaufmann]] (1909–c. 1941), German trilobitologist known for his contributions to allopatric speciation and punctuated equilibrium
* [[Stuart Kauffman]] (born 1939), American biologist widely known for his promotion of self-organization as a factor in producing the complexity of biological systems and organisms
* [[Johann Jakob Kaup]] (1803–1873), German naturalist who believed in an innate mathematical order in nature
* [[Janet Kear]] (1933–2004), English ornithologist who studied waterfowl 
* [[Douglas Kell]] (born 1953), British biochemist known for research on functional genomics
* [[John Kendrew]] (1917–1997), British x-ray crystallographer awarded the Nobel Prize for determining the crystal structure of myoglobin
* [[Gerald A. Kerkut]] (1927–2004), British zoologist and physiologist whose book ''The Implications of Evolution'' has been claimed to support creationism<ref>{{cite web|url = https://genesisfile.com/gerald-kerkut/|title = Gerald A. Kerkut, Ph.D.}}</ref>
* [[Anton Kerner von Marilaun]] (1831–1898), Austrian botanist<ref>Abbreviation in botany: A.Kern.</ref> who studied [[phytogeography]] and [[phytosociology]]
* [[Robert Kerr (writer)|Robert Kerr]] (1755–1813), Scottish surgeon who translated part of [[Carl Linnaeus|Linnaeus's]] ''[[Systema Naturae]]'' as ''The Animal Kingdom''
* [[Warwick Estevam Kerr]] (1922–2018), Brazilian geneticist who studied bee genetics and introduced African bees to Brazil