List of marine biologists

This is a list of marine biologists.
 * Donald Putnam Abbott (1920–1986), American marine invertebrate zoologist
 * Isabella Aiona Abbott (1919–2010), American marine botanist
 * Ali Abdelghany (born 1944), Egyptian marine biologist
 * Jakob Johan Adolf Appellöf (1857–1921), Swedish marine zoologist
 * Leanne Armand (born 1968), Australian marine scientist
 * Samuel Stillman Berry (1887–1984), American marine zoologist
 * Henry Bryant Bigelow (1879–1967), American marine biologist
 * Jean Bouillon (1926–2009), Belgian marine zoologist
 * Rachel Carson (1907–1964), American marine biologist and author
 * Carl Chun (1852–1914), German marine biologist
 * Eugenie Clark (1922–2015), American marine biologist
 * Malcolm Clarke (1930–2013), British cephalopod expert
 * Jacques-Yves Cousteau (1910–1997), French marine explorer, conservationist, and filmmaker
 * Charles Darwin (1809–1882), wrote Structure and Distribution of Coral Reefs (1842) while aboard HMS Beagle
 * Paul K. Dayton (born 1941), American benthic marine ecologist noted for work in kelp forest ecology
 * Finn Devold (1902–1977), Norwegian marine biologist
 * Anton Dohrn (1840–1909), German marine biologist
 * Nicole Dubilier, American marine microbiologist, head of Max Planck Institute for Marine Microbiology
 * Patricia Louise Dudley (1929–2004) American zoologist specializing in copepods
 * Sylvia Earle (born 1935), American oceanographer
 * Austin Gallagher, marine biologist
 * Ruth Gates (1962–2018), American marine biologist noted for work on coral reefs
 * J. Frederick Grassle (1939–2018), American marine biologist
 * Judith Grassle, marine ecologist
 * Gordon Gunter (1909–1998), American marine biologist and fisheries scientist notable for pioneering fisheries research in the northern Gulf of Mexico
 * Ernst Haeckel (1834–1919), German physician, zoologist, marine biologist and evolutionist
 * Benjamin Halpern, American marine conservationist
 * Hans Hass (born 1919), Austrian marine biologist and diving pioneer
 * Gotthilf Hempel (born 1929), German marine biologist
 * Stephen Hillenburg (1961–2018), American animator (creator of SpongeBob SquarePants); previously worked as a marine biology teacher for several years
 * Hirohito, the Shōwa Emperor (1901–1989), jellyfish taxonomist
 * Johan Hjort (1869–1948), Norwegian marine zoologist and one of the founders of ICES
 * Bruno Hofer (1861–1916), German fisheries scientist
 * Martin W. Johnson (1893–1984), American marine biologist and biological oceanographer
 * Benjamin Kahn (born 1955), Israeli marine biologist and environmental activist
 * Uwe Kils (born 1951), German marine biologist
 * Otto Kinne (1923-2015), German marine biologist
 * Nancy Knowlton, coral reef biologist and author of Citizens of the Sea (2010)
 * August David Krohn (1803–1891), Russian/German zoologist
 * Paul L. Kramp (1887–1975), Danish zoologist working on jellyfish
 * William Elford Leach (1790–1836), English zoologist and marine biologist
 * Nicholai Miklukho-Maklai (1846–1888), Russian marine biologist and anthropologist
 * Melissa Cristina Márquez, "Mother of Sharks," marine biologist and science communicator
 * Flower Msuya (born 1959), Tanzanian phycologist
 * Sir John Murray (1841–1914), Scots-Canadian marine biologist
 * Anders Sandøe Ørsted (1816–1872), Danish marine botanist studied arctic nematodes and marine algae
 * Robert T. Paine (1933–2016), American marine zoologist known for developing the "keystone species" concept
 * Joseph R. Pawlik (born 1960), American marine biologist
 * Ronald C. Phillips (1932–2005), American marine botanist, co-author of Seagrasses (1980); worldwide development of seagrass science told in autobiographical Travels with Seagrass (2013)
 * Syed Zahoor Qasim (born 1926), Indian marine biologist
 * Ed Ricketts (1897–1948), American marine biologist noted for a pioneering study of intertidal ecology
 * Harald Rosenthal (born 1937), German hydrobiologist known for his work in fish farming and ecology
 * Anne Rudloe (1947–2012), American co-founder of Gulf Specimen Marine Laboratory
 * Jack Rudloe (born 1943), American co-founder of Gulf Specimen Marine Laboratory and writer of several popular works on the sea including The Sea Brings Forth, and The Erotic Ocean.
 * Frederick Stratten Russell (1897–1984), British marine biologist known for his work on zooplankton.
 * Georg Sars (1837–1927), Norwegian marine biologist
 * Michael Sars (1809–1869), Norwegian theologian and biologist
 * Oscar Elton Sette (1900–1972), American fisheries scientist notable for pioneering modern fisheries science and fisheries oceanography
 * Bell M. Shimada (1922–1958), American fisheries scientist notable for pioneering studies of tuna stocks in the equatorial Pacific Ocean
 * Ronald Shimek (born 1948), American marine biologist noted mainly for his work on scaphopods and turrid gastropods
 * Charles Wyville Thomson (1832–1882), Scottish marine biologist
 * Gunnar Thorson (1906–1971), Danish marine biologist
 * Anne Thynne (1800–1866), British marine zoologist
 * Takasi Tokioka (1913–2001), Japanese marine biologist known for his work on soft bodied zooplankton and tunicates
 * Ruth Turner (1915–2000), marine biologist
 * Anna Weber-van Bosse (1852–1942), marine phycologist
 * María Elena Caso (1915-1991), Mexican marine biologist