Rhiannon is a girl's name of Welsh origin meaning “Great queen; goddess associated with the moon and horses.” It has 3 syllables, giving it an elegant, melodic rhythm. Common nicknames include Rhi, Annie. As of 2026, Rhiannon ranks #775 among girls' names in the United States and has held a steady level of popularity. Its highest US ranking was #383 in 1977.
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ree-AN-on
Phonetic spelling
Currently #775 among US baby names.
* Based on US Social Security Administration birth-registration data
Rhiannon means “Great queen; goddess associated with the moon and horses.” It is a girl's name of Welsh origin.
Rhiannon is pronounced ree-AN-on.
Rhiannon is most commonly used as a girl's name.
Rhiannon currently ranks #775 among girls' names in the United States.
Popular nicknames for Rhiannon include Rhi, Annie.
Middle names that pair well with Rhiannon include Rhiannon Marie, Rhiannon Claire, Rhiannon Joy.
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“Ysella means 'to flow', embodying the essence of rivers and streams. (variant of Ysella)”
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