Biyologlar listesi
M > Ma-Mi

Jules François Mabille (1831–1904), Fransız malacologist
John Macadam (1827–1865), İskoç-born Australian botanikçi
John M. MacDougal (1954), Amerikalı botanikçi
William MacGillivray (1796–1852), İskoç doğabilimci
Marcello Malpighi (1628–1694), İtalyan anatomist and biyolog
Ramon Margalef  (1919–2004), Spanish-Catalan biyolog and ecologist
Leo Margolis (1927–1997), Canadian fisheries parasitologist
Lynn Margulis (1938), Amerikalı microbiyolog
Alberto della Marmora (1789–1863), İtalyan doğabilimci
Othniel Charles Marsh (1831–1899), paleontology
Barry Marshall (1951), Australian physician and microbiyolog, winner of the 2005 Nobel Prize in Physiology or Medicine for his discovery that most stomach ulcers are caused by a strain of bacteria
Fermín Martín Piera (1954–2001), Spanish botanikçi
Carl Friedrich Philipp von Martius (1794–1868), Alman botanikçi
John Martyn (1699–1768), İngiliz botanikçi
Thomas Martyn (1735–1825), İngiliz botanikçi, entomolog and conchologist
John Marwick (1891–1978), Yeni Zelandalı palaeontologist and geologist
Teresa Maryańska, Poland, paleontologist specializing in dinosaurs
Francis Masson (1741 – c. 1805), İskoç botanikçi
Gregory Mathews (1876–1949), Australian ornitolog
Paul Matschie (1861–1926), Alman zoolog
William Diller Matthew (1871–1930), Amerikalı paleontologist
Polly Matzinger, Amerikalı immunologist
Carl Maximowicz (1827–1891), Rus botanikçi
Harold Maxwell-Lefroy (1877–1925), İngiliz entomolog
Robert May (1936), biyolog, physicist, mathematician, President of Royal Society of London 2000–2005
Ernst Mayr (1904–2005), evolutionary biyolog
Barbara McClintock (1902–1992), Amerikalı biyolog, winner of a Nobel Prize for her work on the transposon, or "jumping gene"
James V. McConnell (1925–1990), Amerikalı biological psychologist
Mark McMenamin (1958), Amerikalı paleontologist
Bruce McEwen, neuroendocrinologist and stress hormone expert
Edmund Meade-Waldo (1855–1934), İngiliz ornitolog
Ilya Ilyich Mechnikov (1845–1916), Rus microbiyolog, best known for his work on the immune system and phagocytosis, received the Nobel Prize in Physiology or Medicine in 1908
Johann Wilhelm Meigen (1764–1845), Alman entomolog
Gregor Mendel (1822–1884), Czech-Austrian monk who is often called the "father of genetics" for his study of the inheritance of traits in pea plants
Edouard Menetries (1802–1861), Fransız entomolog
Maud Leonora Menten, biyolog
Archibald Menzies (1754–1852), İskoç doğabilimci
Clinton Hart Merriam (1855–1942), Amerikan zoolog and ornitolog
John C. Merriam (1869–1945), Amerikalı biyolog
Franz Meyen (1804–1840), Alman botanikçi
Rodolphe Meyer de Schauensee (1901–1984), Amerikalı ornitolog
Otto Fritz Meyerhof (1884–1951), Alman/Amerikalı physician and biochemist, winner of the 1922 Nobel Prize in Physiology or Medicine for his research on muscles
Leonor Michaelis (1875–1949), Alman biyolog
André Michaux (1746–1802), Fransız botanikçi
Alexander von Middendorff (1815–1894), Rus zoolog
Nicholai Miklukho-Maklai (1846–1888), Rus marine biyolog and anthropologist
Gerrit Smith Miller, Jr. (1869–1956), Amerikan zoolog.
Jacques Miller (1931), Australian immunologist.
John Frederick Miller (1759–1796), İngiliz illustrator (primarily of botany)
Kenneth R. Miller (1948), Amerikalı evolutionary biyolog.
Philip Miller (1691–1771), İskoç botanikçi (abbr. in botany: Mill.)
Alphonse Milne-Edwards (1835–1900), Fransız zoolog
Henri Milne-Edwards (1800–1885), Fransız zoolog
George Jackson Mivart (1827–1900), İngiliz biyolog