| Sveaass, Geir | Geir Sveaass | Director, Dramaturg | 1980 - 2018 | 41 | |
| Stögmüller, Alfred | Alfred Stögmüller | Director, Dramaturg | 1973 | 2 | |
| Sama, Manuel, Carcedo | Manuel Carcedo Sama | Director, Dramaturg | 2009 | 2 | |
| Sarieddeen, Junaid | Junaid Sarieddeen | Director, Dramaturg | 2013 - 2022 | 3 | |
| Slavenski, Zlatko | Zlatko Slavenski | Director, Dramaturg | 2001 | 2 | |
| Siljanoska, Teodora | Teodora Siljanoska (Теодора Силјаноска) | Director, Dramaturg | 2022 | 2 | |
| Salimli, Mirbala | Mirbala Salimli | Director | 2004 | 1 | |
| Schein, Hermann | Hermann Schein | Director | 1994 - 2013 | 5 | 1 |
| Saari, Anu | Anu Saari | Director | 1985 - 2008 | 3 | 1 |
| Saltz, Amy | Amy Saltz | Director | 2005 | 1 | |
| Schäfer, Lutz | Lutz Schäfer | Director | 2006 | 16 | |
| Scharoff, Pietro | Pietro Scharoff | Director | 1934 | 7 | |
| Schmidl, Jens | Jens Schmidl | Director | 1997 - 2004 | 2 | 1 |
| Schmidt, Jan | Jan Schmidt | Director | 1965 - 1976 | 2 | |
| Schöbel, Helfried | Helfried Schöbel | Director | 1966 | 1 | |
| Scholter, Hugo | Hugo Scholter | Director | 1976 | 1 | |
| Schulz, Ronald | Ronald Schulz | Director | 1963 | 1 | |
| Schwartz, Maurice | Maurice Schwartz | Director | 1918 | 1 | |
| Seale, Douglas | Douglas Seale | Director | 1951 - 1971 | 2 | |
| Shaheen, Israfil | Israfil Shaheen | Director | 1998 - 2006 | 3 | |
| Sher, Bartlett | Bartlett Sher | Director | 2003 | 1 | |
| Sherwood, George | George Sherwood | Director | 1966 - 1967 | 2 | 1 |
| Siikala, Kaija | Kaija Siikala | Director | 1969 - 1979 | 2 | |
| Skalski, Stanisław | Stanisław Skalski | Director | 1955 | 1 | |
| Smigiel, Aureliusz | Aureliusz Smigiel | Director | 2000 | 1 | |
| Solgård, Kalle | Kalle Solgård | Director | 1987 | 1 | 1 |
| Spasov, Krassimir | Krassimir Spasov | Director | 2001 | 1 | |
| Stanĕk, Jaromír | Jaromír Stanĕk | Director | 1958 - 1998 | 2 | 1 |
| Stanisławski, Stanisław | Stanisław Stanisławski | Director | 1910 | 1 | |
| Steinkamp, Rainer | Rainer Steinkamp | Director | 1987 | 1 | |
| Stepanian, Aramazd | Aramazd Stepanian | Director | 2007 | 1 | |
| Stern, Edward | Edward Stern | Director | 1981 | 1 | |
| Stettler, Steve | Steve Stettler | Director | 1988 | 1 | 1 |
| Steward, Margaret | Margaret Steward | Director | 2002 | 1 | |
| Stillmark, Alexander | Alexander Stillmark | Director | 1975 - 1993 | 2 | |
| Strehler, Giorgio | Giorgio Strehler | Director | 1949 - 1951 | 2 | 1 |
| Sweet, Bruce | Bruce Sweet | Director | 1979 | 1 | |
| Syxty, Antonio | Antonio Syxty | Director | 2000 - 2006 | 10 | 2 |
| Stabell, Thea | Thea Stabell | Director | 1978 - 2002 | 78 | 1 |
| Sabinskij, Tsjeslav | Tsjeslav Sabinskij | Director | 1917 | 1 | |
| Slotwilski, Jozef | Jozef Slotwilski | Director | 1978 | 1 | |
| Sigurdsson, Thórhallur | Thórhallur Sigurdsson | Director | 1999 | 5 | |
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