| Almeida, António Victorino d' (1940 - ) Portugal |
| Almeida, Laurindo (1917 - 1995) U.S.A. |
| Almila, Atso (1953 - ) Finland |
| Alonso Gómez, Miguel (1925 - 2002) Spain |
| Alonso Rodríguez, Avelino (1955 - ) Spain |
| Alonso-Crespo, Eduardo (1956 - ) Argentina |
| Alpher, David (1947 - ) U.S.A. |
| Alrich, Alexis (1955 - ) U.S.A. |
| Alsina, Carlos Roqué (1941 - ) Argentina |
| Alsted, Birgitte (1942 - ) Denmark |
| Altena, Maarten (1943 - ) The Netherlands |
| Altenbernd, Nicholas (1946 - ) U.S.A. |
| Alterhaug, Bjørn (? - ) Norway |
| Althoff, Willi (1906 - 1971) Germany |
| Altieri, John (? - ) U.S.A. |
| Altmann, Peter Christian (1940 - ) Austria |
| Álvarez, Alberto J. (? - ) Spain |
| Alvarez, Geoffrey (1961 - ) United Kingdom |
| Alvarez, Javier (1956 - ) Mexico |
| Álvarez, Jesús Eduardo (1960 - ) Venezuela |
| Álvarez, Lucía (? - ) Mexico |
| Álvarez del Toro, Federico (1953 - ) Mexico |
| Álvarez Regalado, Santiago (1896 - 1939) Spain |
| Alvear, Maria de (1960 - ) Spain |
| Alves, Bill (1960 - ) U.S.A. |
| Åm, Magnar (1952 - ) Norway |
| Amador, Efraín (1947 - ) Cuba |
| Amann, Gerold (1937 - ) Austria |
| Amann, Thomas (1978 - ) Austria |
| Amarantidis, Amarantos (1947 - 1995) Greece |
