| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Tanvir Azad Bikash | Musician | 2006 | 2 | |||
| Chris Allen | Musician | 2009 | 1 | |||
| Costanza Alegiani | Musician | 2010 | 1 | |||
| Salim Asar | Musician | 2013 | 10 | |||
| Thaleia Athaniti | Musician | 1998 | 1 | |||
| Cătălina Antal | Musician | 2015 - 2016 | 6 | |||
| Md. Monir Ahmed | Musician | 2000 - 2001 | 4 | |||
| Tore Aune | Musician | 1992 | 1 | |||
| Torgeir Andersen | Musician | 1992 | 1 | |||
| Carlos Alberici | Musician | 1984 | 24 | |||
| Isak Anderssen | Musician | 1992 | 1 | |||
| Raul Alvarellos | Musician | 1995 | 1 | |||
| Fernando Arminio | Musician | 2017 - 2020 | 2 | |||
| Jean-Pierre Arnaud | Musician | 2013 | 1 | |||
| Clara Abou | Musician | 2013 | 1 | |||
| Cristopher Allan | Musician | 2015 | 1 | |||
| Tomás Alves | Musician | 2022 | 2 | |||
| Petter Asbjørnsen | Musician | 1 | ||||
| Mika Amsterdam | Musician | 2023 | 1 | |||
| Tom Van Antro Van Antro | Musician | 2022 | 1 | |||
| Constanza Antunica | Musician | 2024 | 1 | |||
| Ourania Argyropoulou | Musical Director | 2015 | 1 | |||
| Ido Arad | Musical Director | 2014 | 1 | |||
| Hanns Avril | Musical Director | 1916 | 1 | |||
| Timuş Alexandrescu | Musical Director | 1980 - 1987 | 3 | |||
| Haleh Abghari | Musical Director | 2018 | 1 | |||
| Josef Achtelik | Musical Director | 1916 | 1 | |||
| Ming A | Musical Director | 2019 | 1 | |||
| Mihail Aleksandrov | Musical Director | 2011 | 1 | |||
| Alexander Mikhailovich Anissimov | Musical Director | 2020 | 1 | |||
| Jihad Al Chemaly | Musical Director | 2023 | 1 | |||
| Else Aarup | Mask Maker | 1985 | 1 | |||
| Maria Agaton | Mask Maker | 2004 - 2011 | 2 | |||
| Richard Allen | Mask Maker | 1982 | 1 | 1 | ||
| Annikka N. Andersen | Mask Maker | 2006 - 2010 | 7 | |||
| Paul Andresen | Mask Maker | 1939 | 1 | |||
| Gunn Kristin Aspen | Mask Maker | 1991 | 1 | |||
| Maria Abelsen | Mask Maker | 2008 - 2013 | 3 | |||
| Elisabeth Andresen | Mask Maker | 2010 - 2013 | 5 | |||
| Sun Aina | Mask Maker | 2014 - 2021 | 8 | |||
| Sylke Aehlig | Mask Maker | 2002 | 1 | |||
| Torbjörn Alström | Mask Maker | 2002 - 2006 | 6 | |||