The taxon authority Smith may refer to:

Zoologists

• Aaron D. Smith, entomologist
• Andrew Smith (1797–1872)
• Andrew B.T. Smith, entomologist
• Andrew M. Smith, arachnologist
• Angela L. Smith, mammalogist
• Aston B. Smith, entomologist
• B. Holly Smith
• Brian J. Smith, entomologist
• Brian Tilston Smith, ornithologist
• C. Lavett Smith, U.S. ichthyologist
• Charles Hamilton Smith (1776–1859)
• Craig R. Smith, U.S. annelidologist
• Daniel J. Smith, U.S. herpetologist
• David G. Smith, ichthyologist
• David R. Smith, entomologist
• David Spencer Smith, entomologist
• Deborah Smith, arachnologist
• Donald A. Smith, chiropterist
• Edgar Albert Smith (1847–1916), malacologist
• Eric Nelson Smith, U.S. herpetologist
• Essie M. Smith, ostracodologist
• Frederick Smith (1805–1879), entomologist specialising in Hymenoptera & Coleoptera
• Geoffrey R. Smith, U.S. herpetologist
• Geoffrey W. Smith, British carcinologist
• Gerald Graham Smith 1892-1976 G.G.Sm. - botanist
• Hobart Muir Smith (1912–2013), herpetologist
• Hugh McCormick Smith (1865–1941), U.S. ichthyologist
• Ian M. Smith, arachnologist
• James Dale Smith, U.S. chiropterist
• James Edward Smith, primarily botanist, but some entomology as J.E. Smith
• James Foley Smith, J.F.Smith - botanist
• James Keith Smith, ostracodologist
• James Leonard Brierley Smith (1897–1968), ichthyologist
• James Perrin Smith (1864–1931), U.S. geologist and paleontologist
• Jane Smith, dipterist
• John Alexander Smith, ornithologist and ichthyologist
• John Bernhard Smith (1858–1912)
• John W. Smith, nematologist
• Joshua B. Smith, palaeontologist
• Kenneth G.V. Smith
• Lawrence A. Smith, herpetologist
• Lewis MacCuen Smith (1902–1976), entomologist
• Lisa Smith, malacologist
• Loren M. Smith, entomologist
• Lydia R.J. Smith, entomologist
• M. Alex Smith, entomologist
• M. Paul Smith, palaeontologist
• Michael Leonard Smith, ichthyologist
• Malcolm Arthur Smith (1875–1958), herpetologist
• Marion R. Smith, myrmecologist
• Margaret Mary Smith, ichthyologist
• Meredith J. Smith
• Michael J. Smith, entomologist
• Moya Meredith Smith, palaeontologist
• Peter J. Smith, P.J.Sm., botanist
• Patrick M. Smith, paleontologist
• Paul Smith, Paraguayan ornithologist
• Philip Wayne Smith, entomologist
• Richard Smith, ichthyologist
• Robin James Smith, ostracodologist
• Rosa Smith Eigenmann (1858–1947), ichthyologist
• Rozella B. Smith (1911–1987), herpetologist
• Sarah A. Smith, herpetologist
• Sarah M. Smith, U.S. entomologist
• Sidney Irving Smith (1843–1926), zoologist
• Tarleton F. Smith (1916–2012), U.S. herpetologist
• Tessa R. Smith, entomologist
• Verna Z. Smith, ostracodologist
• William Henry Smith, U.S. herpetologist
• William Leo Smith, U.S. ichthyologist

Botanists, lichenologists, mycologists, and bacteriologist

• Alan Reid Smith (born 1943, A.R.Smith), U.S. botanist
• Albert Charles Smith (1906–1999, A.C.Sm.)
• Alexander Hanchett Smith (A.H.Sm.)
• A.M. Smith (A.M.Sm.bis)
• Annie Lorrain Smith (A.L.Sm.)
• Anthony John Edwin Smith (born 1935, A.J.E.Sm.)
• Brendan J. Smith (B.J.Sm.)
• Charles Eastwick Smith (1820–1900, C.E.Sm.)
• Charles Leonard Smith (C.L.Sm.)
• Charles Piper Smith (1877–1955, C.P.Sm.)
• Christen Smith (1785–1816, C.Sm.)
• Christo Albertyn Smith (1898–1956, C.A.Sm.)
• Clayton Orville Smith (C.O.Sm.)
• Clifford W. Smith (C.W.Sm.)
• Dale Metz Smith (1928–2011, D.M.Sm.)
• Damon A. Smith (fl. 1996, Dam.A.Sm.)
• Donald J. Smith (D.J.Sm.)
• Edwin Burnell Smith (born 1936, E.B.Sm.)
• Elizabeth Hight Smith (E.H.Sm.)
• Erwin Frink Smith (1854–1927, E.F.Sm., bacteriologist
• Elmer William Smith (1920–1981, E.W.Sm.)
• Eugene Allen Smith (1841–1927, E.A.Sm.)
• F.E.V. Smith (F.E.V.Sm.)
• G.S. Smith (G.S.Sm.)
• Gary Lane Smith (G.L.Sm.)
• Gavin J.D. Smith (G.J.D.Sm.)
• George Smith (G.Sm.)
• Gerald Lomax Smith (born 1949, fl. 2009, G.Lom.Sm.), botanist
• Gideon Francois Smith (Gideon F.Sm.)
• Gilbert Morgan Smith (1885–1959, G.M.Sm.)
• Helen Vandervort Smith (H.V.Sm.)
• Hendrik Smith (H.Sm.ter)
• Henry George Smith (1852–1924, H.G.Sm.)
• John M.B. Smith (1937–2007, J.M.B.Sm.)
• James Edward Smith (Sm.)
• Jeffery Drew Smith (J.D.Sm.)
• John Smith (J.Sm. Dalry)
• Karl August Harald Smith (1889–1971, Harry Sm.)
• Kenneth Manley Smith (K.M.Sm.)
• Marion Ashton Smith (M.A.Sm.)
• Matthew E. Smith (M.E.Sm.)
• Maudy Th. Smith (M.T.Sm.)
• Paul Hamilton Smith (P.H.Sm.)
• Peter R. Smith (P.R.Sm.)
• R.B. Smith (R.B.Sm.)
• R.J. Smith (R.J.Sm.)
• Ralph Elliott Smith (1874–1953, R.E.Sm.)
• Richard Smith (R.Sm.)
• Ronald I. Lewis Smith (R.I.L.Sm.)
• Ruth C. Smith (1908–1982, R.C.Sm.)
• Selena Y. Smith (S.Y.Sm.)
• Stanley Jay Smith (S.J.Sm.)
• William Gardner Smith (Wm.G.Sm.)
• Worthington George Smith (W.G.Sm.)