| Salter, Hans@ (5) |
| Schönberg, Arnold@ (14) |
| Schickele, David@ (5) |
| Schickele, Peter@ (6) |
| Schuller, Gunther@ (3) |
| Schuman, William@ (4) |
| Schurmann, Gerard@ (1) |
| Schwantner, Joseph@ (3) |
| Schwartz, Elliott@ (4) |
| Scott, K. Lee@ (2) |
| Seeger, Ruth Crawford@ (4) |
| Sessions, Roger@ (5) |
| Shaiman, Marc@ (5) | |
| Sheng, Bright@ (3) |
| Sierra, Roberto@ (3) |
| Silvestri, Alan@ (5) |
| Smith, Undine@ (3) |
| Sousa, John Philip@ (15) |
| Sowerby, Leo@ (4) |
| Spratlan, Lewis@ (2) |
| Steiner, Max@ (8) |
| Still, William Grant@ (8) |
| Stravinsky, Igor@ (16) |
| Strayhorn, Billy@ (3) |
| Stuck, Leslie@ (1) |
| Stucky, Steven@ (3) |
| Subotnick, Morton@ (7) | |