- Read, Gardner, 1913-20051
- Rebner, Wolfgang1
- Reinhart, Carole Dawn1
- Ricci, George1
- Richards, Eric, 1935-20201
- Richter, Clifford1
- Ridolfi, Robert, 1925-20171
- Riegger, Wallingford, 1885-19611
- Rieti, Vittorio, 1898-19942
- Robbins, Channing, 1922-19921
- Robbins, Joyce1
- Robinson, Keith, 1922-20131
- Rochberg, George1
- Rogers, Al (Violinist)1
- Rogers, Bruce (Cellist)1
- Rosen, Howard (Clarinetist)1
- Rosenblum, Myron1
- Rosenfeld, Peter3
- Rostal, Leo1
- Roxbury, Ronald, 1946-19861
- Rudiakov, Michael, 1934-20001
- Rudnitsky, Alvin1
- Running, Joseph1
- Rupert, Carol1
- Rzewski, Frederic1
- Sagul, Edith A., 1917-20181
- Salzman, Theo1
- Sambuco, Gino2
- Sawyer, Elizabeth, 1931-20101
- Schiller, Allan (Violinist)1
- Schubel, Max, 1932-20101
- Schulte, Rolf, 1949-1
- Schuman, Davis1
- Schur, Maxim, 1907-19746
- Schwarz, Gerard, 1947-1
- Scott, Eric (Composer)1
- Seeber, Leonard1
- Seletsky, Harold1
- Serebrier, José, 1938-1
- Serly, Tibor1
- Shainman, Irwin, 1921-20121
- Shapiro, Don1
- Shapiro, Wallace1
- Sherman, Guelda1
- Sherry, Fred3
- Shevelov, Avram1
- Shinohara, Makoto1
- Shulman, Harry1
- Shuman, Mark1
- Silverman, Robert, 1938-1
- Silvermine String Quartet1
- Simms, Bryan R1
- Simon, Louis (Violinist)1
- Simons, Netty1
- Singer, André (Composer)1
- Singleton, Alvin, 1940-1
- Sixfin, Leslie1
- Smiles, Harry (Oboe player)1
- Smith, Andre1
- Smith, Carleton Sprague, 1905-19941