| Schulerud, Mentz | Mentz Schulerud | Director | 1958 | 1 | |
| Shank, Theodore | Theodore Shank | Director | 1958 | 1 | |
| Strudwick, Nick | Nick Strudwick | Director | 2013 | 1 | |
| Suarès, Guy | Guy Suarès | Director | 1957 | 1 | |
| Schuler, David | David Schuler | Director | 2013 | 1 | |
| Salmelainen, Eino | Eino Salmelainen | Director | 1957 | 1 | |
| Staub, August W. | August W. Staub | Director | 1998 | 1 | |
| Sombori, Sandor | Sandor Sombori | Director | 1965 | 1 | |
| Schuller, Frieder | Frieder Schuller | Director | 1975 | 1 | |
| Sterndale Bennett, E., G. | E. G. Sterndale Bennett | Director | 1952 | 1 | |
| Strasberg, Lee | Lee Strasberg | Director | 1951 | 1 | |
| Schmidt-Rahmer, Hermann | Hermann Schmidt-Rahmer | Director | 1998 - 2017 | 2 | |
| Steinhardt-Unseld, Merula | Merula Steinhardt-Unseld | Director | 1998 | 1 | |
| Scholer, Robert | Robert Scholer | Director | 1950 | 1 | |
| Sierck, Hans Detlef | Hans Detlef Sierck | Director | 1923 - 1935 | 3 | |
| Staniunas, John | John Staniunas | Director | 2000 | 1 | |
| Stone, Edgar | Edgar Stone | Director | 1930 | 1 | |
| Soubeyrand, Manuel | Manuel Soubeyrand | Director | 2000 | 1 | |
| Streett, William, R. | William R. Streett | Director | 1936 | 1 | |
| Sims, Jeremy | Jeremy Sims | Director | 1999 | 2 | |
| Staffe, Karin | Karin Staffe | Director | 1999 | 1 | |
| Siebler, Harald | Harald Siebler | Director | 1999 | 1 | |
| Scott, Siiri | Siiri Scott | Director | 1999 | 1 | |
| Skorik, Nikolai | Nikolai Skorik | Director | 1999 | 1 | |
| Sterni, Giuseppe | Giuseppe Sterni | Director | 1937 | 1 | |
| Sarantidis, Giannoulis | Giannoulis Sarantidis | Director | 1939 - 1948 | 25 | |
| Saalborn, Louis | Louis Saalborn | Director | 1940 | 1 | |
| Sholes, Maxwell | Maxwell Sholes | Director | 1941 | 1 | |
| Spencer, Nancy | Nancy Spencer | Director | 1943 | 1 | |
| Shdanoff, George | George Shdanoff | Director | 1977 | 1 | |
| Sumner, John | John Sumner | Director | 1973 - 1977 | 2 | |
| Schurz, E. Williard | E. Williard Schurz | Director | 1946 | 1 | |
| Sullivan, Michael Cruz | Michael Cruz Sullivan | Director | 2000 | 1 | |
| Sydow, Jack | Jack Sydow | Director | 1947 | 1 | |
| Sounes, Jennifer | Jennifer Sounes | Director | 1947 | 1 | |
| Schulz, Maximilian | Maximilian Schulz | Director | 1948 | 1 | |
| Shahnaz, Fatima | Fatima Shahnaz | Director | 2000 | 1 | |
| Stigall, William | William Stigall | Director | 1949 | 1 | |
| Selinheimo, Kari | Kari Selinheimo | Director | 1976 | 1 | |
| Sundstedt, Bo Anders | Bo Anders Sundstedt | Director | 2014 - 2023 | 12 | |
| Stambuliu, Armand | Armand Stambuliu | Director | 1956 | 1 | |
| Sireteanu, Andrei | Andrei Sireteanu | Director | 1979 | 1 | |
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