The name Oriana is a girl's name of Italian, Latin origin meaning "dawn". Oriana and is often added to lists like Badass Princess Names and discussed in our forums with posts like "Girls Makeover - Two Middles".
From the experts:
Oriana is a dashing medieval name, with a meaning similar to Aurora. Strong and exotic, Oriana also has an admirable literary resume. In medieval tales, she was the beloved of the knight Amadis, she appears in at least three seventeenth century plays, and there is an early Tennyson poem called The Ballad of Oriana. Oriana was also sometimes used to refer to Queen Elizabeth I.