| Svendsen, Morten L. | Morten L. Svendsen | Musical Director | 1913 - 1921 | 3 | |
| Sommerfeldt, Øistein | Øistein Sommerfeldt | Musical Director | 1971 | 44 | |
| Sønstevold, Maj | Maj Sønstevold | Musical Director | 1972 | 6 | |
| Stine, Mort | Mort Stine | Musical Director | 1979 | 1 | |
| Schneider, Charly | Charly Schneider | Musical Director | 1972 | 1 | |
| Scott, Jonathan | Jonathan Scott | Musical Director | 2014 | 1 | |
| Sakellariou, Giorgos | Giorgos Sakellariou | Musical Director | 2014 - 2015 | 2 | |
| Steen, Ros | Ros Steen | Musical Director | 2015 | 1 | |
| Schmalstich, Clemens | Clemens Schmalstich | Musical Director | 1919 - 1937 | 2 | |
| Stevens, William Michael | William Michael Stevens | Musical Director | 2010 | 1 | |
| Sonne, Helmut | Helmut Sonne | Musical Director | 2012 | 1 | |
| Sárossy, Endre | Endre Sárossy | Musical Director | 1988 | 1 | |
| Sergescu, Mihaela | Mihaela Sergescu | Musical Director | 1973 | 1 | |
| Schleinschock, Tankred | Tankred Schleinschock | Musical Director | 1998 | 1 | |
| Sin, Friedrich | Friedrich Sin | Musical Director | 1999 | 1 | |
| Schweppe, Wilhelm | Wilhelm Schweppe | Musical Director | 1922 - 1925 | 4 | |
| Szabó, Róbert | Róbert Szabó | Musical Director | 2013 | 2 | |
| Stevensson, Kjell-Inge | Kjell-Inge Stevensson | Musical Director | 1991 - 1993 | 5 | |
| Streatfeild, Simon | Simon Streatfeild | Musical Director | 1993 | 1 | |
| Seim, Kjell | Kjell Seim | Musical Director | 1993 | 1 | |
| Sonnenburg, Klaus | Klaus Sonnenburg | Musical Director | 1978 | 1 | |
| Stekel, Erich | Erich Stekel | Musical Director | 1921 | 1 | |
| Sandner, Uwe | Uwe Sandner | Musical Director | 1997 | 1 | |
| Skalstad, Per Kristian | Per Kristian Skalstad | Musical Director | 2019 | 1 | |
| Spasov, Teodosij | Teodosij Spasov | Musical Director | 2017 | 1 | |
| Sinickaja, T. | T. Sinickaja | Musical Director | 1973 | 1 | |
| Sazonov, Aleksander | Aleksander Sazonov | Musical Director | 2019 | 1 | |
| Savčenko, Aleksand | Aleksand Savčenko | Musical Director | 2019 | 1 | |
| Schonwandt, Michael | Michael Schonwandt | Musical Director | 2017 | 2 | |
| Scales, Mark | Mark Scales | Musical Director | 2016 | 1 | |
| Schwarz, Elena | Elena Schwarz | Musical Director | 2022 | 2 | |
| Steinkellner, Markus | Markus Steinkellner | Musical Director | 2022 | 2 | |
| Seco, Marco | Marco Seco | Musical Director | 2023 | 1 | |
| Skram, Britt Elise | Britt Elise Skram | Musical Director, Musician | 2014 | 10 | |
| Singh, Santosh, Kumar | Santosh Kumar Singh | Musical Director, Musician, Sound Designer | 2015 | 3 | |
| Schröder, Joachim | Joachim Schröder | Musical Director, Sound Designer | 1994 - 2006 | 3 | |
| Stupel, Ilja | Ilja Stupel | Musician | 1974 | 1 | |
| Sarkar, Sathi | Sathi Sarkar | Musician | 2000 - 2002 | 6 | |
| Smith, Tim | Tim Smith | Musician | 2011 | 1 | |
| Steine, Jørn | Jørn Steine | Musician | 2006 | 1 | |
| Sjøstrøm, Stig | Stig Sjøstrøm | Musician | 2006 - 2008 | 5 | |
| Syvertsen, Tuva | Tuva Syvertsen | Musician | 2006 | 1 | |
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