- Orhistra Sighronis Mousikis Tis ERT
- ORI
- Ori Dagan
- Ori Dakari
- Ori Kaplan
- Ori Kaplan Trio
- Ori-Noco
- Orial Rangel
- Oriana
- Oriana Concert Choir And Orchestra
- Oriana LaRusso
- Oriana lee
- Oriana Lee Farrell
- Oriana Petrazzuolo
- Orianne
- Orianthi
- Orichalcum
- Orichalcum & Deviant
- Orick
- Orick
- Oridium
- Oriel Track
- Orielle
- Orielle
- Orien
- Orient
- Orient Express
- Orient Expressions
- Orient Pearl
- Orient Team
- Orienta
- Oriental Angel
- Oriental Angels
- Oriental Brothers
- Oriental Dream
- Oriental Echo Ensemble
- Oriental Funk Stew
- Oriental Fusion
- Oriental Journey
- Oriental Mood
- Oriental Mood
- Oriental Orchestra
- Oriental Secret
- Oriental Space
- Oriental Spas
- Oriental Star
- Oriental Sunshine
- Oriental Teahouse
- Oriental Wind
- Orientale
- Orientalists