| Rimsky-Korssakoff, Nicolai | Nicolai Rimsky-Korssakoff | Composer | 2002 | 4 | |
| Rautavaara, Einojuhani | Einojuhani Rautavaara | Composer | 2002 | 1 | |
| Rawski, Boleslaw | Boleslaw Rawski | Composer | 2001 - 2006 | 5 | |
| Renath, Michael | Michael Renath | Composer | 2004 | 1 | |
| Redolfi, Michel | Michel Redolfi | Composer | 2004 | 1 | |
| Rimestad, Hege | Hege Rimestad | Composer | 2005 - 2007 | 28 | |
| Rio, Rosa | Rosa Rio | Composer | 2005 | 1 | |
| Rutt, Herwig | Herwig Rutt | Composer | 2005 - 2006 | 2 | |
| Robiul Hossain, Ostad | Ostad Robiul Hossain | Composer | 2006 | 2 | |
| Ryall, Kelly | Kelly Ryall | Composer | 2014 | 1 | |
| Reyes, Yuri | Yuri Reyes | Composer | 2006 | 1 | |
| Ripoll, Shakira Isabel, Mebarak | Shakira Isabel Mebarak Ripoll | Composer | 2008 | 1 | |
| Rabbani, Golam | Golam Rabbani | Composer | 2009 | 2 | |
| Reza Nia, Ali Sina | Ali Sina Reza Nia | Composer | 2011 | 1 | |
| Röser, Alex | Alex Röser | Composer | 2014 | 1 | |
| Radojkovic, Leon | Leon Radojkovic | Composer | 2011 | 1 | |
| Riisager, Knudåge | Knudåge Riisager | Composer | 1961 | 1 | |
| Reinbergs, Ādolfs | Ādolfs Reinbergs | Composer | 1960 | 1 | |
| Rivera, Roberto | Roberto Rivera | Composer | 2000 | 1 | 1 |
| Roubaud, André | André Roubaud | Composer | 1935 | 1 | |
| Roubaud, M. | M. Roubaud | Composer | 1948 | 1 | |
| Rouge, L'Herbe | L'Herbe Rouge | Composer | 1972 | 1 | |
| Roose, Joannes | Joannes Roose | Composer | 1978 | 1 | |
| Redig, Jonas | Jonas Redig | Composer | 2018 | 2 | |
| Reissiger, Friedrich August | Friedrich August Reissiger | Composer | 1885 | 1 | |
| Rudnicki, Dawid | Dawid Rudnicki | Composer | 2017 | 1 | |
| Rudnizky, Eduardo | Eduardo Rudnizky | Composer | 1994 | 1 | |
| Rosenman, Leonard | Leonard Rosenman | Composer | 1978 | 1 | |
| Rehorová, Ada | Ada Rehorová | Composer | 1972 | 1 | |
| Rizzone, Fiorenzo | Fiorenzo Rizzone | Composer | 1993 | 1 | |
| Ratumakin, Veronika | Veronika Ratumakin | Composer | 2019 | 1 | |
| Ramantanis, Giorgos | Giorgos Ramantanis (Γιώργος Ραμαντάνης) | Composer | 2025 | 1 | |
| Revholt, Per Chr. | Per Christian Revholt (Per Chr. Revholt) | Composer, Conductor, Musical Director, Musician | 1984 - 2020 | 111 | 1 |
| Raulf, Dirk | Dirk Raulf | Composer, Musician | 2008 | 4 | |
| Rimsky-Korsakow, David | David Rimsky-Korsakow | Composer, Musician | 2016 - 2017 | 2 | |
| Remédio, Ricardo | Ricardo Remédio | Composer, Musician | 2019 - 2020 | 3 | |
| Rožman, Branko | Branko Rožman (Бранко Рожман) | Composer, Musician | 2024 - 2025 | 2 | |
| Rumery, Ryan | Ryan Rumery | Composer, Sound Designer | 2003 - 2016 | 12 | |
| Rebne, Rune | Rune Rebne | Composer, Sound Designer | 2006 - 2008 | 6 | 1 |
| Roth, Michael | Michael Roth | Composer, Sound Designer | 1987 | 2 | |
| Ragland, Jim | Jim Ragland | Composer, Sound Designer | 1996 | 2 | |
| Ringham, Ben | Ben Ringham | Composer, Sound Designer | 2010 | 2 | |
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