| 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 | |
| Skjefstad, Bjørn | Bjørn Skjefstad | Director | 1987 | 1 | 1 |
| Salzer, F. | F. Salzer | Director | 1944 | 1 | |
| Sasaki, Takamaru | Takamaru Sasaki | Director | 1934 | 1 | |
| Stelter, Horst Alexander | Horst Alexander Stelter | Director | 1977 | 1 | |
| Sevy, Bruce K. | Bruce K. Sevy | Director | 2002 | 1 | |
| Soto, Enrique Hernández | Enrique Hernández Soto | Director | 1985 | 1 | |
| Semrád, Vladimír | Vladimír Semrád | Director | 1961 - 1963 | 2 | 1 |
| Seiffer, David A. | David A. Seiffer | Director | 1971 | 1 | |
| Sharrock, Thea | Thea Sharrock | Director | 2003 | 1 | |
| Smuckler, J.L. | J. L. Smuckler (J.L. Smuckler) | Director | 1935 | 1 | |
| Schauwienhold, Friedhelm | Friedhelm Schauwienhold | Director | 1973 - 1980 | 2 | |
| Stockley, Travis L. | Travis L. Stockley | Director | 2001 | 1 | |
| Scott, Jerrold | Jerrold Scott | Director | 2002 | 1 | |
| Svavarsdóttir, Ása Hlín | Ása Hlín Svavarsdóttir | Director | 1993 | 1 | |
| Schwarz, Carl | Carl Schwarz | Director | 1917 | 1 | 1 |
| Stockton Rand, Richard | Richard Stockton Rand | Director | 1999 | 1 | |
| Stopford, Clare | Clare Stopford | Director | 1990 | 1 | 1 |
| Siegerstetter, Charlotte | Charlotte Siegerstetter | Director | 2010 | 5 | |
| Stengel, Kal Freiherr von | Karl Freiherr von Stengel | Director | 1881 | 1 | |
| Sargent, Franklin | Franklin Sargent | Director | 1891 | 1 | |
| Seifert, Jakub | Jakub Seifert | Director | 1897 - 1899 | 2 | |
| Seidl, Hr. | Hr. Seidl | Director | 1879 | 1 | |
| Stollberg, J. G. | J. G. Stollberg | Director | 1900 - 1912 | 4 | |
| Stern, Kurt | Kurt Stern | Director | 1905 - 1908 | 2 | |
| Simchowitz, Sascha | Sascha Simchowitz | Director | 1916 | 1 | |
| Senger, Heinz | Heinz Senger | Director | 1918 | 1 | |
| Schroeder, Hermann Albert | Hermann Albert Schroeder | Director | 1925 | 1 | |
| Schneider, Carl | Carl Schneider | Director | 1926 - 1940 | 4 | |
| Schwarz, Otto | Otto Schwarz | Director | 1927 - 1928 | 3 | |
| Schwitzky, Ernst Bernhard | Ernst Bernhard Schwitzky | Director | 1927 | 1 | |
| Schmith, Iwan | Iwan Schmith | Director | 1932 | 1 | |
| Sax, Sergius | Sergius Sax | Director | 1933 | 9 | |
| Schmitt, Saladin | Saladin Schmitt | Director | 1933 - 1934 | 2 | |
| Schmiedhammer, Dr. | Dr. Schmiedhammer | Director | 1937 | 1 | |
| Scherler, Gerhart | Gerhart Scherler | Director | 1937 | 1 | |
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