R
- Nancy M. Raabe
- Shruthi Rajasekar
- Dale E. Ramsey
- Paul Rardin
- Philip Reed
- Earlene Rentz
- Vittorio Rieti
- Emorja G. Roberson
- William Bradley Roberts
- Diane Abdi Robertson
- Jennaya Robison
- George Rochberg
- Terre Roche
- Penny Rodriguez
- Sharon Elery Rogers
- Lionel Rogg
- John A. Romeri
- Ned Rorem
- Luke D. Rosen
- David P. Rossow
- Donald Rotermund
- Kareem Roustom
- William P. Rowan
- Paul John Rudoi
- Glenn L. Rudolph
- Elena Ruehr
- Paul Rutz