A
aus Tierdoku, der freien Wissensdatenbank
| Abbot | John Abbot (1751–1841) |
| Abbot | William Louis Abbott (1860–1936) |
| Abel | Clarke Abel (1780–1826) |
| Acerbi | Giuseppe Acerbi (1773–1846) |
| Adams | Arthur Adams (1820-1878) |
| Adis | Joachim Adis (?-?) |
| Afzelius | Adam Afzelius (1750-1837) |
| A. Agassiz | Alexander Agassiz (1835–1910) |
| Agassiz, L. Agassiz | Louis Agassiz (1807–1873) |
| Agenjo | Rámon Agenjo Cecilia (1908–1984) |
| Ahl | Ernst Ahl (1898–1943) |
| Ahlquist | Jon E. Ahlquist (?–?) |
| Albers | J. C. Albers (?–?) |
| Alberti | Burchard Alberti (1898–1988) |
| Alcock | Alfred William Alcock (1859–1933) |
| Alexander | Boyd Alexander (1873–1910) |
| Allen | Glover Morrill Allen (1879–1942) |
| Allen | Gerald Robert Allen (* 1942) |
| Allen | Harrison Allen (1841–1897) |
| Allen | Joel Asaph Allen (1838–1921) |
| Allgayer | Robert Allgayer (?–?) |
| Allioni | Carlo Allioni (1728–1804) |
| Allman | George James Allman (1812–1898) |
| Alphéraky | Sergej Nikolaevič Alphéraky (1850–1918/19) |
| Alston | Edward R. Alston (1845–1881) |
| Alves-Gomes | Jose Antonio Alves-Gomes (?-?) |
| Amadon | Dean Amadon (1912–2003) |
| Ameghino | Florentino Ameghino (1854–1911) |
| Amoreux | Pierre-Joseph Amoreux (1741–1824) |
| Amsel | Hans-Georg Amsel (1905–1999) |
| Amyot | Charles Jean Baptiste Amyot (1799–1866) |
| Ander | Kjell Ander (???) |
| Andersen | Knud Andersen |
| Anderson | John Anderson (1833–1900) |
| Andersson | Lars Gabriel Andersson (1868-1951) |
| André | Jacques Ernest Edmond André (1844–1891) |
| Andrén | Claes Andrén (1949-?) |
| Andrews | Roy Chapman Andrews (1884-1960) |
| Angas | George French Angas (1822–1886) |
| Angel | Fernand Angel (1881–1950) |
| Annandale | Thomas Nelson Annandale (1876–1924) |
| Anthony | Harold Elmer Anthony (1890–1970) |
| Antonelli | Daniele Antonelli (?????) |
| Appellöf | Adolf Appellöf (1857–1921) |
| Applegate | Roger D. Applegate (???) |
| Archbold | Richard Archbold (1907–1976) |
| Archer | Michael Archer (1945–?) |
| Arms | Jennie Maria Arms (1852–?) |
| Arrow | Gilbert John Arrow (1873–1948) |
| Ashmead | William Harris Ashmead (1855–1908) |
| Assmann | August Assmann (1819–1898) |
| Attems-Petzenstein | Carl August Graf Attems-Petzenstein (1868-1952) |
| Aubé | Charles Aubé (1802–1869) |
| Audebert | Jean-Baptiste Audebert (1759–1800) |
| Audinet-Serville | Jean Guillaume Audinet-Serville (1775-1858) |
| Audouin | Jean Victoire Audouin (1797–1841) |
| Audubon | John James La Forest Audubon (1785–1851) |
| Aurivillius | Per Olof Christopher Aurivillius (1853–1928) |
| Ausserer | Anton Ausserer (1907–1976) |
| Austaut | Jules Léon Austaut |
| Avinov | Andrei Nikolaevič Avinov (1884–1949) |
| Ayres | William Orville Ayres (1805–1887) |
| d'Azara | Felix d'Azara (1746–1811) |
