Sia is a girl name with roots in Sanskrit and Hindi culture. A spelling of Siya, the Hindi form of Sita - the wife of Lord Rama in the Ramayana.
In Hindu tradition, Sia is associated with the Kumbha rashi.
The numerology number for Sia is 5, reflecting the personality traits and characteristics associated with this name.
Origin : sanskrit, hindi
Gender : girl
Nakshatra : Shatabhisha
Rashi : Kumbha
Numerology : 5
Syllables : 2
Last updated 21 October 2026 · How we research names · Report a mistake
In numerology, the name Sia reduces to the number 5, which is most often linked to freedom, adventure, adaptability. A person carrying this vibration is often restless in the best way - curious about people and places, quick to learn, and energised by change rather than threatened by it. The name Sia also falls under the Kumbha rashi (moon sign), traditionally described as inventive and independent, often a step ahead of conventional thinking. Its associated nakshatra is Shatabhisha.
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