Rhianna is a Welsh-derived form linked to Rhiannon, meaning "great queen" or "divine queen."
Rhianna is a variant of Rhiannon, one of the most evocative names in Welsh mythology. Rhiannon appears in the Mabinogion — the medieval collection of Welsh tales that forms the backbone of Arthurian and Celtic legend — as a supernatural woman of great beauty who rides a pale-white horse that no earthly steed can overtake. Her name likely derives from the Proto-Celtic 'Rīgantona,' meaning 'great queen' or 'divine queen,' related to the Gaulish goddess Rigantona and the Irish Morrigan.
She is a figure of otherworldly sovereignty, patience under unjust suffering, and ultimate vindication. Fleetwood Mac's 1975 song 'Rhiannon,' written by Stevie Nicks, reintroduced the Welsh goddess to a global audience, casting her as a mysterious woman 'taken by the wind' — and in doing so made the name feel simultaneously ancient and rock-and-roll. The spelling Rhianna strips the name of its most distinctly Welsh double-n, softening it for broader international use while retaining the mythic root.
The Caribbean-born pop superstar Rihanna — born Robyn Rihanna Fenty — brought yet another iteration of the name to global ubiquity in the 2000s and 2010s, giving it an entirely new cultural resonance: bold, genre-defying, commercially dominant. Rhianna today sits at a remarkable crossroads: Celtic mythology, 1970s rock mysticism, and twenty-first century pop royalty. Few names can claim such varied and vivid associations across so many cultural moments. For parents drawn to names with both ancient gravitas and modern vitality, Rhianna is extraordinarily well-stocked.