| Atkinson, Molly | Molly Atkinson | Director | 2024 | 1 | |
| Al-Zurqani, Abdel-Rehim | Abdel-Rehim Al-Zurqani | Director | 1954 | 1 | |
| Alison-Mitchell, Diane | Diane Alison-Mitchell | Director | 2019 | 1 | |
| Azorín, Paco | Paco Azorín | Designer, Set Designer | 2003 | 5 | |
| Arsenault, David, L. | David L. Arsenault | Designer, Set Designer | 2016 - 2019 | 2 | |
| Adams, Kevin | Kevin Adams | Designer, Lighting Designer | 2000 - 2001 | 6 | |
| Akerø, Ketil | Ketil Akerø | Designer, Lighting Designer | 1990 - 2000 | 13 | |
| Allana, Nissar | Nissar Allana | Designer, Lighting Designer | 2009 | 2 | 1 |
| Akhtar, Salim | Salim Akhtar | Designer, Lighting Designer | 2010 - 2017 | 19 | |
| Anderson, Vikki | Vikki Anderson | Designer, Director, Producer | 2000 | 3 | 1 |
| Arcenas, Loy | Loy Arcenas | Designer, Director | 2001 | 2 | |
| Allen, L. Garth | L. Garth Allen | Designer, Director | 2008 | 2 | |
| Aday, James | James Aday | Designer, Director | 2011 | 2 | |
| Allison, Edmund | Edmund Allison | Designer, Director | 1962 | 2 | |
| Aeschbacher, Peter | Peter Aeschbacher | Designer | 2005 | 1 | 1 |
| Afzelius-Wärnlöf, Birgit | Birgit Afzelius-Wärnlöf | Designer | 1944 - 1955 | 3 | |
| Ahlbom, Martin | Martin Ahlbom | Designer | 1951 - 1961 | 3 | 1 |
| Ahrold, Marianne | Marianne Ahrold | Designer | 1976 | 1 | |
| Albiker, Alexander | Alexander Albiker | Designer | 1990 | 1 | |
| Andrews, Paul | Paul Andrews | Designer | 1996 | 1 | |
| Ankers, Kathleen | Kathleen Ankers | Designer | 1945 | 2 | |
| Asakura, Setsu | Setsu Asakura | Designer | 1968 - 2009 | 2 | |
| Ashby, Clifford | Clifford Ashby | Designer | 1963 | 1 | |
| Aydlett, Sarah | Sarah Aydlett | Designer | 2002 | 1 | 1 |
| Azizjan, Marina | Marina Azizjan | Designer | 2005 - 2008 | 5 | |
| Aoki, Takuya | Takuya Aoki | Designer | 2006 | 1 | |
| Aleksandrovitsj, Feodora | Feodora Aleksandrovitsj | Designer | 2004 | 1 | |
| Andrésson, Kristinn | Kristinn Andrésson | Designer | 1924 - 1932 | 4 | |
| Arfken, Katherine | Katherine Arfken | Designer | 2011 | 1 | |
| Auer, Oskar | Oskar Auer | Designer | 1877 - 1910 | 2 | |
| Altenkirch, Otto | Otto Altenkirch | Designer | 1911 - 1919 | 4 | |
| Auerbach, Walter | Walter Auerbach | Designer | 1934 | 1 | |
| Amable, - | - Amable | Designer | 1906 | 1 | |
| Andersen, Hans Georg | Hans Georg Andersen | Designer | 1992 - 2018 | 34 | 6 |
| Arx, Dieter | Dieter von Arx | Designer | 1973 | 1 | |
| Abe, Masatomo | Masatomo Abe | Designer | 1978 | 1 | |
| Agoos, Peter | Peter Agoos | Designer | 1975 | 1 | |
| Andrésen, Jens, C. | Jens C. Andrésen | Designer | 1889 - 1914 | 6 | |
| Artiñano, Javier | Javier Artiñano | Designer | 1981 | 1 | |
| Aldrete L., Guillermo | Guillermo Aldrete L. | Designer | 1980 | 1 | |
| Armstrong, Eileen | Eileen Armstrong | Designer | 1984 | 1 | |
| Amico, Michael | Michael Amico | Designer | 2009 | 1 | |
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