| Anonymous | 10th - century | Europe | 1 |
| Anonymous | 17th - century | South Germany | 1 |
| Anonymous | 17th - century | Russia | 1 |
| Anonymous | 17th - century | Corsica | 1 |
| Anonymous | 18th - century | Corsica | 1 |
| Anonymous | 20th - century | Corsica | 1 |
| Anonymous | 16th - century | Flanders (?) | 1 |
| Anonymous | 18th - century | Bolivia | 1 |
| Anonymous | 10th - century | Spain | 1 |
| Anonymous | 16th - century | The Netherlands | 1 |
| Anonymous | 17th - century | Spain, Catalonia | 1 |
| Anonymous | 18th - century | Spain, Catalonia | 1 |
| Anonymous | 19th - century | France | 1 |
![p](templates/images/picture.png) | Juhan Aavik | 1884 - 1982 | Estonia | 1 |
![p](templates/images/picture.png) | Pietro Abbà Cornaglia | 1851 - 1894 | Italy | 1 |
![p](templates/images/picture.png) | Antonio Abbatini | 1595 - 1679 | Italy | 1 |
![p](templates/images/picture.png) | Henri Vanden Abeele | 1869 - 1931 | Belgium | 1 |
![p](templates/images/picture.png) | Paul Abel | 1926 - 2016 | United States of Amerca, MS | 1 |
| Placido Abela | c.1814 - 1876 | Italy | 1 |
![p](templates/images/picture.png) | Nicanor Abelardo | 1893 - 1934 | Filipines | 1 |
![p](templates/images/picture.png) | Paul Abraham | 1892 - 1960 | Hungary | 1 |
![p](templates/images/picture.png) | Joshua Abramson | 1996 - | United States of America, AZ | 3 |
| Salvatore Accolla | 19th - century | Italy | 1 |
| Joseph Achleitner | 1791 - 1828 | Austria | 1 |
![p](templates/images/picture.png) | Frédéric Acquaviva | 1967 - | France | 1 |
![p](templates/images/picture.png) | Ghjuvan Claudiu Acquaviva | 1956 - | Corsica | 3 |
![p](templates/images/picture.png) | Marina Adamia | 1959 - | Georgia | Great Britain, Scotland | 1 |
![p](templates/images/picture.png) | Ray Adams | 1952 - 2013 | United States of America, CO | 1 |
| Carl Anton Adenbrunner | c.1735 - 1790 | Austria | 1 |
![p](templates/images/picture.png) | James Adler | 1950 - | United States of America, IL | 1 |
| Anton Adlgasser | 1729 - 1777 | Germany | 1 |
![p](templates/images/picture.png) | Andrew Ager | 1962 - | Canada | 1 |
![p](templates/images/picture.png) | Klaus Ager | 1946 - | Austria | 1 |
![p](templates/images/picture.png) | Maurizio Agostini | 1978 - | Italia | 1 |
![p](templates/images/picture.png) | Jhásoa Omar Agosto-Sáliva | 1981 - | Puerto Rico | 1 |
| Agricola | 17th/18th - century | Germany (?) | 1 |
| Ignazio Agry | 19th - century | Italy | 2 |
![p](templates/images/picture.png) | Miguel del Aguila | 1957 - | Uruguay | 2 |
![p](templates/images/picture.png) | Albert Ahlstrom | 1957 - | United States of America, NY | 1 |
![p](templates/images/picture.png) | Rebecka Ahvenniemi | 1982 - | Finland | Norway | 1 |
![p](templates/images/picture.png) | Johann Aiblinger | 1779 - 1867 | Germany | 4 |
![p](templates/images/picture.png) | Gregor Aichinger | 1564 - 1628 | Germany | 3 |
| Engelbert Aigner | 1798 - 1866 | Austria | 2 |
| Sebastian Aigner | 19th - century | Germany | 3 |
| Léopold Aimon | 1779 - 1866 | France | 1 |
| Egidio Aiudi | 1820 - 1898 | Italy | 1 |
![p](templates/images/picture.png) | Jehan Alain | 1911 - 1940 | France | 1 |
![p](templates/images/picture.png) | Domenico Alaleona | 1881 - 1928 | Italy | 1 |
![p](templates/images/picture.png) | Jaume Alaquer i Reyes | 1785 - 1823 | Spain | 2 |
![p](templates/images/picture.png) | Jules Alary | 1814 - 1891 | Italy | 1 |
| Antonio Albanello | fl.1775 - | Italy | 1 |
![p](templates/images/picture.png) | Isaac Albéniz i Pascual | 1860 - 1909 | Spain | 1 |
![p](templates/images/picture.png) | Francisco Alberdi | 1878 - 1934 | Ecuador | 6 |
| Angelo Albergoni | 1880 - 1954 | Italy | 1 |
![p](templates/images/picture.png) | George Albrecht | 1935 - 2021 | Germany | 1 |
![p](templates/images/picture.png) | Pit Albrecht | 1974 - | Germany | 1 |
![p](templates/images/picture.png) | Georg von Albrecht | 1891 - 1976 | Russia | Germany | 1 |
![p](templates/images/picture.png) | Johann Albrechtsberger | 1736 - 1809 | Austria | 4 |
![p](templates/images/picture.png) | Mark Alburger | 1957 - | United States of America, PA | 1 |
| Gilbert Alcock | 1870 - 1954 | Great Britain, England | 1 |
| José Aldana | 1758 - 1810 | Mexico | 1 |
![p](templates/images/picture.png) | Raffaele d'Alessandro | 1911 - 1959 | Switzerland | 1 |
![p](templates/images/picture.png) | John Starr Alexander | 20th - century | United States of America | 1 |
![p](templates/images/picture.png) | Pedro Antero Alfonzo | 1866 - 1938 | Venezuela | 1 |
![p](templates/images/picture.png) | Johan Algra | 1894 - 1973 | The Netherlands | 2 |
![p](templates/images/picture.png) | Giuseppe Alinovi | 1790 - 1869 | Italy | 3 |
| Filippo Allegri | 1786 - c.1850 | Italy | 1 |
![p](templates/images/picture.png) | Gregorio Allegri | c.1582 - 1652 | Italy | 1 |
![p](templates/images/picture.png) | Chris Allen | 1954 - | Great Britain, England | 1 |
| Giuseppe Allevi | 1603 - 1670 | Italy | 1 |
![p](templates/images/picture.png) | Carl Allmendinger | 1863 - 1946 | Germany | 2 |
| Allram | 19th/20th - century | Austria (?) | 1 |
| Ignacio Antonio d'Almeida | 1760 - 1825 | Portugal | 1 |
| José Claudio de Almeida | 18th - century (?) | Portugal (?) | 1 |
| Aloysi | 18th/19th - century | France (?) | 1 |
| Luigi Aloysi | 19th - century | Germany (?) | 3 |
![p](templates/images/picture.png) | Hugo Alpen | 1842 - 1917 | Germany | Australia | 1 |
| Julius Alsleben | 1832 - 1894 | Germany | 2 |
![p](templates/images/picture.png) | Claudio Alsuyet | 1957 - | Argentina | 1 |
| Faustino Altemps | c.1776 - 1833 | Italy | 2 |
| L. Altmann | 19th - century | Germany (?) | 1 |
![p](templates/images/picture.png) | Warnfried Altmann | 1958 - | Germany | 1 |
![p](templates/images/picture.png) | Calixto Alvarez Fernandez | 1938 - | Cuba | 1 |
| Clemente Alvazzi | fl.1826 - 1836 | Italy | 1 |
| Facundo Alzola | 1839 - 1911 | Spain | Uruguay | 1 |
| Giovanni Amade | 1876 - 1948 | Italy | 1 |
![p](templates/images/picture.png) | Joan Albert Amargos | 1950 - | Spain | 1 |
| Paolo Amatucci | 1868 - 1935 | Italy | 3 |
| Leto Ambrogi | 19th - century | Italy | 1 |
![p](templates/images/picture.png) | Daniele Amfitheatrof | 1901 - 1983 | Italy | Russia | 2 |
![p](templates/images/picture.png) | Matteo D'Amico | 1955 - | Italy | 1 |
![p](templates/images/picture.png) | Vicente Amigo Girol | 1967 - | Spain | 1 |
![p](templates/images/picture.png) | Martin Amlin | 1953 - | United States of America, TX | 1 |
![p](templates/images/picture.png) | Benno Ammann | 1904 - 1986 | Switzerland | 1 |
| Blasius Amon | c.1560 - 1590 | Austria | 1 |
![p](templates/images/picture.png) | Johann Amon | 1763 - 1825 | Germany | 2 |
![p](templates/images/picture.png) | Paul Amrod | 1951 - | United States of America, NY | 1 |
![p](templates/images/picture.png) | Hartmann von An der Lan-Hochbrunn | 1863 - 1914 | Austria | 1 |
![p](templates/images/picture.png) | Juan de Anchieta | c.1462 - 1523 | Spain, Basque Country | 1 |
![p](templates/images/picture.png) | Alfonsus Andaru | 1994 - | Indonesia | 1 |
![p](templates/images/picture.png) | Carel Anderson | 1878 - 1946 | The Netherlands | 1 |
![p](templates/images/picture.png) | Thomas Anderton | 1836 - 1903 | Great Britain, England | 1 |
![p](templates/images/picture.png) | Jean Baptiste André | 1823 - 1882 | Germany | 1 |
| Carolus Andrea | ? - 1627 | Germany | 1 |
![p](templates/images/picture.png) | Volkmar Andreae | 1879 - 1962 | Switzerland | 1 |
![p](templates/images/picture.png) | Eveline Andreani | c.1960 - | France | 1 |
![p](templates/images/picture.png) | Vincent Andreas | 1972 - | Germany | 1 |
![p](templates/images/picture.png) | Guglielmo Andreoli (jr.) | 1862 - 1932 | Italy | 1 |
![p](templates/images/picture.png) | Gaetano Andreozzi | 1755 - 1826 | Italy | 1 |
![p](templates/images/picture.png) | Francisco Andrevi y Castellar | 1786 - 1853 | Spain | 1 |
![p](templates/images/picture.png) | Keith Andrews | 1945 - | Great Britain, England | 1 |
![p](templates/images/picture.png) | Hendrik Andriessen | 1892 - 1981 | The Netherlands | 1 |
![p](templates/images/picture.png) | Kees Andriessen (jr.) | 1865 - 1947 | The Netherlands | 1 |
![p](templates/images/picture.png) | Albert Androt | 1781 - 1804 | France | 1 |
![p](templates/images/picture.png) | Felice Anerio | c.1560 - 1614 | Italy | 2 |
| Giovanni Anerio | c.1567 - 1630 | Italy | 8 |
| Pietro Anetti | 19th - century | Italy | 2 |
![p](templates/images/picture.png) | Pasquale Anfossi | 1727 - 1797 | Italy | 1 |
| Joseph ('Willibold') Angeber | 1771 - 1833 | Germany | 1 |
| Giuseppe Angeleri Agonstiniano | c.1630 - c.1700 | Italy | 1 |
| Angelo de Angelis Rivortorto | c.1750 - 1825 | Italy | 6 |
![p](templates/images/picture.png) | Carlo Angeloni | 1834 - 1901 | Italy | 1 |
| Martin d'Angers | 1808 - aft.1846 | France (?) | 1 |
| José Anglada y Maranges | 1804 - 1872 | Spain | 2 |
![p](templates/images/picture.png) | Antonio Anichini | 1962 - | Italy | 1 |
| Francesco Anichini | 1830 - 1901 | Italy | 2 |
![p](templates/images/picture.png) | David Anne | 1970 - | Belgium | 1 |
![p](templates/images/picture.png) | Arturo Annecchino | 1954 - | Venezuela | Italy | 1 |
| Christoph Anreiter | 1672 - 1724 | Austria | 1 |
![p](templates/images/picture.png) | Conrad Ansorge | 1862 - 1930 | Germany | 1 |
| Franz Xaver Ansperg | 18th - century | Austria | 1 |
![p](templates/images/picture.png) | Marjolijn Anstey | 1943 - | Great Britain, England | 1 |
![p](templates/images/picture.png) | Gus Anton | 1938 - | Germany | 3 |
| Abundio Antonelli | c.1575 - c.1629 | Italy | 1 |
| Armando Antonelli | 1886 - 1960 | Italy | 1 |
| Karoly Antos | 1854 - 1927 | Czech Republic | 1 |
![p](templates/images/picture.png) | Hans-Erich Apostel | 1901 - 1972 | Germany | 1 |
| Benedictus Appenzeller | c.1480/88 - aft.1558 | Belgium / The Netherlands | 1 |
| Alexandre d'Aragon | 1889 - 1951 | Canada | 1 |
| Juan de Aragüés | c.1710 - 1793 | Spain | 1 |
![p](templates/images/picture.png) | Tomás Aragüés Bernard | 1935 - 2022 | Spain | 1 |
![p](templates/images/picture.png) | Pedro Aranaz y Vides | 1740 - 1820 | Spain | 2 |
![p](templates/images/picture.png) | Stefán Arason | 1978 - | Denmark | 1 |
| Andor Arató | 1888 - 1964 | Hungary | 1 |
![p](templates/images/picture.png) | Gina de Araújo-Régis de Oliveira | 1890 - 1956 | Brazil | 1 |
![p](templates/images/picture.png) | David Arbury | 1973 - | United States of America, DC | 1 |
![p](templates/images/picture.png) | Paolo Arcà | 1953 - | Italy | 1 |
| J.M. d'Archambeau | fl.1825 - 1888 | Germany | 1 |
![p](templates/images/picture.png) | Alexander Archangelski | 1846 - 1924 | Russia | 1 |
![p](templates/images/picture.png) | Malcolm Archer | 1952 - | Great Britain, England | 1 |
| Pedro de Ardanaz Valencia | 1638 - 1706 | Spain | 1 |
![p](templates/images/picture.png) | David Arditti | 1964 - | Great Britain, England | 2 |
| Manuel Arenzana | c.1762 - 1821 | Mexico | 2 |
| Carolus d'Argenteil | c.1500 - c.1556 | France | 1 |
| Marco Arici | 1778 - 1827 | Italy | 1 |
![p](templates/images/picture.png) | Marian Arkwright | 1863 - 1922 | Great Britain, England | 1 |
| Serge Arnauld | 1944 - | Switzerland | 1 |
![p](templates/images/picture.png) | Thomas Arne | 1710 - 1778 | Great Britain, England | 1 |
![p](templates/images/picture.png) | Kim Arnesen | 1980 - | Norway | 1 |
![p](templates/images/picture.png) | Juan Arnez | 1950 - | Bolivia | 1 |
![p](templates/images/picture.png) | Eberhard Arning | 1938 - | Germany | 1 |
| Georg Arnold | 1621 - 1676 | Austria | 3 |
![p](templates/images/picture.png) | Gyorgy Arnold | 1781 - 1848 | Hungary | 4 |
| Luigi Aroldi | fl. 1824 - 1832 | Italy | 2 |
![p](templates/images/picture.png) | Girolamo Arrigo | 1930 - 2018 | Italy | 1 |
| Giuseppe Arrigo | 1838 - 1913 | Italy | 1 |
| Aitor Arronte | 1978 - | Spain | 1 |
![p](templates/images/picture.png) | Vyacheslav Artyomov | 1940 - | Russia | 1 |
| José de Arzac | 19th - century | Spain (?) | 1 |
| Anton Aschner | 1732 - 1793 | Austria | 1 |
![p](templates/images/picture.png) | Francisco Asenjo Barbieri | 1823 - 1894 | Spain | 1 |
| Giovanni Battista Asinari | 19th - century | Italy | 1 |
| Giuseppe Asiole sr. | 1715 - 1790 | Italy | 1 |
| Francisco de Asis Martinez | 19th - century | Spain (?) | 1 |
| Giammateo Asola | c.1528 - 1609 | Italy | 5 |
| Michael Assaf | 1977 - | Israel | 1 |
![p](templates/images/picture.png) | Edmund Assaly | 1920 - 1983 | Canada | 1 |
![p](templates/images/picture.png) | Ignaz Assmayer | 1790 - 1862 | Austria | 2 |
![p](templates/images/picture.png) | Emanuele d'Astorga | 1680 - 1736 | Italy | 1 |
![p](templates/images/picture.png) | Blas Emilio Atehortua Amaya | 1943 - 2020 | Colombia | 1 |
![p](templates/images/picture.png) | Matt Atherton | 1967 - | Australia | 1 |
![p](templates/images/picture.png) | Kurt Atterberg | 1887 - 1974 | Sweden | 1 |
![p](templates/images/picture.png) | Lucien-Marie Aube | 1889 - 1953 | France | 1 |
![p](templates/images/picture.png) | Daniel Auber | 1782 - 1871 | France | 1 |
| Jean Audiffren | 1680 - 1762 | France | 1 |
| Joseph Auer | 1856 - 1911 | Germany | 3 |
![p](templates/images/picture.png) | Lera Auerbach | 1973 - | Russia | United States of America, NY | 3 |
![p](templates/images/picture.png) | Benedict Aufschnaiter | 1665 - 1742 | Germany | 1 |
![p](templates/images/picture.png) | Domenico Auletta | 1723 - 1753 | Italy | 1 |
| Pietro Auletta | c.1698 - 1771 | Italy | 1 |
![p](templates/images/picture.png) | Franz Josef Aumann | 1728 - 1797 | Austria | 12 |
![p](templates/images/picture.png) | Frederic Austin | 1872 - 1952 | Great Britain, England | 1 |
![p](templates/images/picture.png) | John Austin | 1934 - | United States of America, WA | 1 |
| Jean L'Auverjat | 17th - century | France | 1 |
![p](templates/images/picture.png) | Khachatur Avetisyan | 1926 - 1996 | Armenia | 2 |
| Giuseppe Avitrano | c.1670 - 1756 | Italy | 1 |
![p](templates/images/picture.png) | Marco D'Avola | 1959 - | Italy | 1 |
| Mireille Avril | 1911 - aft.1954 | France | 1 |
![p](templates/images/picture.png) | David Axelrod | 1936 - 2017 | United States of America, CA | 1 |
![p](templates/images/picture.png) | Francesco Azopardi | 1748 - 1809 | Malta | 3 |