The taxon authority Johnson may refer to:

• Alan M. Johnson, helminthologist
• Andrew B. Johnson, U.S. ornithologist
• Andrew J. Johnson, entomologist
• Benaiah Ebenezer Johnson, arachnologist
• Charles Willison Johnson (1863–1932), malacologist
• Clarence Dan Johnson, entomologist
• Colin Johnson, entomologist
• David Horn Johnson (1912–1996), U.S. zoologist
• David Mark Johnson (born 1955, D.M.Johnson), botanist
• Don S. Johnson, aquarist
• Frank Johnson, entomologist
• G. David Johnson, ichthyologist
• Jeffrey W. Johnson, Australian ichthyologist
• James Yate Johnson (1820–1900), British ichthyologist
• Jim T. Johnson, U.S. entomologist
• John L. Johnson (1937–1996), bacteriologist
• Kevin P. Johnson, entomologist
• Kirk Richard Johnson, palaeobotanist
• Kurt Johnson, entomologist
• Lawrence Alexander Sidney Johnson (1925–1997, L.A.S.Johnson), Australian botanist
• Ned K. Johnson (1932–2003), ornithologist
• Nick Johnson, entomologist
• Norman F. Johnson, U.S. entomologist
• Oscar Johnson, U.S. ornithologist
• Paul D. Johnson, U.S malacologist
• Paul J. Johnson, U.S. entomologist (South Dakota)
• Rebecca Fay Johnson, U.S. malacologist
• Robert A. Johnson, U.S. entomologist
• Robert William Johnson (1930–2012, R.W.Johnson), Australian botanist
• Shannon B. Johnson, U.S. annelidologist
• Stephen J. Johnson, entomologist
• TH. Johnson, entomologist
• Warren E. Johnson, U.S. zoologist
• William Johnson (1844–1919, W.Johnson), British lichenologist
• William S. Johnson, cnidariologist