- Reborn Entertainment -- REC
- Rec Center -- Receiving Unknown Frequencies
- Recelo -- Rechord
- Recidiv -- Reckless Breed
- Reckless D -- Recliner
- Recliner -- Reconcile
- Reconcile -- Recording Artists for Hope
- Recording Artists Orchestra of Los Angeles -- rec.tangle
- Rectify -- Recycler
- Recyclone -- Red
- Red -- Red Army Band
- Red Army Choir -- Red Barber
- Red Barchetta -- Red Barker