| Alnıaçık, Raik | Raik Alnıaçık (Raik Alniacik) | Director | 1975 - 1977 | 2 | |
| Andreicic, Tatiana | Tatiana Andreicic | Director | 1984 - 1987 | 2 | |
| Andreina, Livio | Livio Andreina | Director | 1986 | 1 | |
| Anklam, Sandra | Sandra Anklam | Director | 2018 | 1 | |
| Altuğ, Ali, Gökmen | Ali Gökmen Altuğ | Director | 2018 | 1 | |
| Attard, Toni | Toni Attard | Director | 2018 | 1 | |
| Axelrod, David | David Axelrod | Director | 2018 | 1 | |
| Atkins, Corey | Corey Atkins | Director | 2018 | 1 | |
| Arbo, Eline | Eline Arbo | Director | 2018 - 2020 | 5 | |
| Abdulla, Arsalan | Arsalan Abdulla | Director | 2015 | 1 | |
| Abdulla, Sherzad | Sherzad Abdulla | Director | 2009 | 1 | |
| Al Saedi, Jaefar | Jaefar Al Saedi | Director | 1960 | 1 | |
| Alekseev, Mr. | Mr. Alekseev | Director | 1939 | 1 | |
| Archipova, T. | T. Archipova | Director | 1996 | 1 | |
| Audí, Ferrán | Ferrán Audí | Director | 2009 | 1 | 1 |
| Armán, Manuel | Manuel Armán | Director | 2001 | 1 | |
| Agahi, Shahab | Shahab Agahi | Director | 2015 | 1 | |
| Apfel, Oscar | Oscar Apfel | Director | 1915 | 1 | |
| Afşar, Tufan | Tufan Afşar | Director | 2020 | 1 | |
| Amyl, Jean-Claude | Jean-Claude Amyl | Director | 1993 | 1 | |
| Ainsworth, Anthony | Anthony Ainsworth | Director | 1993 | 1 | |
| Arevski, Gorjan | Gorjan Arevski (Горјан Аревски) | Director | 2017 | 1 | |
| Amadeo, Vicente | Vicente Amadeo | Director | 1975 - 1983 | 11 | |
| Almendros, Domingo | Domingo Almendros | Director | 1973 - 1989 | 3 | |
| Amichatis, Joaquín | Joaquín Amichatis | Director | 1979 | 1 | |
| Abraham, Braden | Braden Abraham | Director | 2018 | 1 | |
| Alkaya, Orhan | Orhan Alkaya | Director | 2023 - 2025 | 5 | |
| Abbado, Daniele | Daniele Abbado | Director | 2023 | 1 | |
| Arocha , Orlando | Orlando Arocha | Director | 2023 | 1 | |
| Ayub, Tania | Tania Ayub | Director | 2023 | 1 | |
| Aziz, Rutkay | Rutkay Aziz | Director | 2023 - 2024 | 10 | |
| Asorey, Tito | Tito Asorey | Director | 2023 | 1 | |
| Andrade, Pablo | Pablo Andrade | Director | 2021 | 1 | |
| 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 | |
| Ansaldo, Andrea | Andrea Ansaldo | Director | 2011 - 2020 | 2 | |
| Azzopardi, Daniel | Daniel Azzopardi | Director | 2024 | 1 | |
| Ambush, Selena | Selena Ambush | Director | 2024 | 1 | |
| Alexiu, Ștefan | Ștefan Alexiu | Director | 2025 | 1 | |
| Aydon, Seán | Seán Aydon | Director | 2025 | 1 | |
| Alikhani, Mohsen | Mohsen Alikhani | Director | 2025 | 1 | |
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