Rhiannon is a ♀ girl name.
Rhiannon is a Welsh girl’s name, which presumably derived from the Celtic name Rigantona. It is a name of the Celtic mythology of Wales, the Mabinogi.
Rhiannon means “great queen” or “goddess” (from Celtic “rīgan” = queen).
Based on the frequency of positive ratings, we can analyze how popular names are in different countries. The name Rhiannon is currently ranked #8029 on the name leaderboard.
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