- Rachmaninoff, Sergei Vasilievich
- Radford, Laurie
- Rădulescu, Horațiu
- Ramón, Evelin
- Ranade, Ashok
- Rands, Bernard
- Raskatov, Alexander Mikhailovich
- Ratniece, Santa
- Ratté, Michel
- Ravel, Maurice
- Rea, John
- Rebeiro, Antonio
- Reger, Max
- Rehberg, Peter
- Reich, Steve
- Reimer, Jen
- Respighi, Ottorino
- Reynolds, Roger
- Rhodes, Phillip
- Ricard, Gisèle
- Ricketts, Matthew
- Rihm, Wolfgang
- Riley, Terry
- Rimsky-Korsakov, Nikolai Andreyevich
- Risset, Jean-Claude
- Ristic, André
- Rizzuto, Matthew
- Robert, Jean-Michel
- Robert, Jocelyn
- Robillard, Vincent
- Rocheleau, Éric
- Rochon, Michel
- Rodrigo, Joaquin
- Roger, Danielle Palardy
- Rogers, Stephen Allen
- Roi, Micheline
- Rolfe, James
- Romitelli, Fausto
- Rore, Cipriano da
- Rose, Jon
- Rosenfeld, Marina
- Rosing-Schow, Niels
- Rossini, Gioacchino
- Rousseau, Jean-Michel
- Roussel, Georges
- Rowson, William
- Roy, Julien
- Roy, Myke
- Roy, Pierre-Olivier
- Roy, Stéphane
- Rozankovic, Anthony
- Rózsa, Miklós
- Ruders, Poul
- Rudy, Paul
- Rühm, Gerhard
- Ruo, Huang
- Ryan, Jeffrey
- Rzewski, Frederic
