Publishers – R
- R. J. Fote Music
- R.Schroor
- RADclef Productions
- Radiant Music
- Radio Corporation of America
- Rainer Tempel Musikverlag
- Rakeway Music
- Ralf Jarchow Verlag
- Randall Standridge Music
- Rapp Verlag
- Rasale Aydin Edition Reinhard Mey
- Ravensburger Verlag
- Raw Percussion Publications
- Raymond A. Hoffman Co.
- RBC Music
- Read Books
- Real Musical
- Really Useful Group
- Reba Productions
- Recital Music
- Recorder Music Direct
- Red Poppy Music
- Reed Music
- Reedimensions
- Reichert Verlag
- Reimkultur Musikverlag
- Reinecke Musikverlag
- Reiskmore Music
- Rekea Herrmann
- Renaissance Musikverlag
- RenTraud Waltraud Hirschmann und Renate Praßl
- Resi und Andreas Fellner
- Residenz Verlag
- Resolute Music Publications
- Resounding
- RG Editions
- Rhinegold Publishing
- Rhythm MP
- Richard Boorberg Verlag
- Richard Strauss Verlag
- Ricordi
- Ries & Erler Musikverlag
- Rilting Music
- Ring Musik
- Rittor Music
- Riverberi Sonori
- RMH
- Road Rock International
- Roadrock International
- Robert King
- Robert Kreutzer
- Robert Lienau
- Robert Martin
- Robert Smith & Co.
- Roberton Publications
- Rock House
- Rock School Limited
- Rock Valley Music
- Roger Dean Publishing Company
- Rohe Musikverlag
- Rohrdorfer Musikverlag
- Römerhof Verlag
- Romowe-Verlag
- Ron Harris Music
- Rondo Publishing
- Rondo Verlagsgruppe für nationale
- Rondor Archive
- Rongwen Music
- ROOF Music
- Rosehill Music
- Rosewood Publications
- Rossleigh Music
- Row-Loff Productions
- Rowman & Littlefield
- Rowohlt Taschenbuch Verlag
- Royal Irish Academy
- Royal School of Church Music
- Rózsavölgyi és Társa
- Rubank Publications
- Rudolf Steiner Press
- Rued Langgaard Edition
- Rugginenti Editore
- Ruh Music
- Runa Nototext Verlag
- Running Press
- Rusenschloßverlag
- RWS Music Company
