| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Valeria Apanasova | Dancer | 2022 | 1 | |||
| Julio Alvarez | Dancer | 1975 | 1 | |||
| Peter Aeschbacher | Designer | 2005 | 1 | 1 | ||
| Birgit Afzelius-Wärnlöf | Designer | 1944 - 1955 | 3 | |||
| Martin Ahlbom | Designer | 1951 - 1961 | 3 | 1 | ||
| Marianne Ahrold | Designer | 1976 | 1 | |||
| Alexander Albiker | Designer | 1990 | 1 | |||
| Paul Andrews | Designer | 1996 | 1 | |||
| Kathleen Ankers | Designer | 1945 | 2 | |||
| Setsu Asakura | Designer | 1968 - 2009 | 2 | |||
| Clifford Ashby | Designer | 1963 | 1 | |||
| Sarah Aydlett | Designer | 2002 | 1 | 1 | ||
| Marina Azizjan | Designer | 2005 - 2008 | 5 | |||
| Takuya Aoki | Designer | 2006 | 1 | |||
| Feodora Aleksandrovitsj | Designer | 2004 | 1 | |||
| Kristinn Andrésson | Designer | 1924 - 1932 | 4 | |||
| Katherine Arfken | Designer | 2011 | 1 | |||
| Oskar Auer | Designer | 1877 - 1910 | 2 | |||
| Otto Altenkirch | Designer | 1911 - 1919 | 4 | |||
| Walter Auerbach | Designer | 1934 | 1 | |||
| - Amable | Designer | 1906 | 1 | |||
| Hans Georg Andersen | Designer | 1992 - 2018 | 34 | 6 | ||
| Dieter von Arx | Designer | 1973 | 1 | |||
| Masatomo Abe | Designer | 1978 | 1 | |||
| Peter Agoos | Designer | 1975 | 1 | |||
| Jens C. Andrésen | Designer | 1889 - 1914 | 6 | |||
| Javier Artiñano | Designer | 1981 | 1 | |||
| Guillermo Aldrete L. | Designer | 1980 | 1 | |||
| Eileen Armstrong | Designer | 1984 | 1 | |||
| Michael Amico | Designer | 2009 | 1 | |||
| Matt Allison | Designer | 2010 | 1 | |||
| Günter Altmann | Designer | 1990 | 1 | |||
| Tony Abbott | Designer | 1982 | 1 | |||
| Angel Ahrjanov | Designer | 1982 | 1 | |||
| Göran Arfs | Designer | 1980 | 1 | |||
| Günther Allgeier | Designer | 1980 | 1 | |||
| Csaba Antal | Designer | 1994 - 2002 | 23 | |||
| Jaak Arro | Designer | 1997 | 1 | |||
| Dominique Arel | Designer | 1995 | 1 | |||
| Maurus Augustin | Designer | 1995 | 2 | |||
| Daniel Angermayr | Designer | 2014 | 1 | |||
| Kay Anthony | Designer | 1997 | 1 | |||