Oriah Mountain Dreamer (rbta)
Artist with the following albums: "The Dance (abrdgd) CD 2", "The Call (unabrdgd) CD 4", "The Call (unabrdgd) CD 2", etc...

Oriana
Artist with the following albums: "Oriana", "Dolia", "Kolędy Dwóch Narodów"

Oriana Fallaci
Artist with the following albums: "Sull'Antisemitismo", "Lettera a un bambino mai nato cd 4", "Lettera a un bambino mai nato cd 2", etc...

Orianne
Artist with "Mes clics et mes claques" album

Orianthi
Artist with the following albums: "Violet Journey", "Believe", "The Believe EP", etc...