Kai

“Hawaiian for 'sea'; also Persian for 'king' (multiple origins)” — Multiple origins (Hawaiian, Persian, Germanic)

Girl's name · #1054 in the US (2025) · 2020s

Kai is near its high-water mark: it reached #770 in 2021 and still ranked #1054 in 2025. About 8,500 girls have carried it since 1953. About 94% of babies named Kai in recent years have been boys.

Around the world: about 1 in 10,000 girls in Canada (2024).

Appears in 2020-2025 birth records of 25 states. See the full state-by-state map on this page.

Famous Kais

Kai Trump — American social media personality and granddaughter of Donald Trump (born 2007)
Kai Aareleid — Estonian writer (born 1972)
Kai Fischer — German actress and author
Kai Schreiber — American actress
Kai Cheng Thom — writer

In stories & tradition

Kai Lung — fictional human
Kai Opaka — Bajor: Fragments and Omens · Emissary
Kai — The Eminence in Shadow

What Kais become

Among 2,004 notable people named Kai:

Similar names: Marleigh · Kaiya · Shay · Bexley · Aleyah · Hadlee

Browse more girl names — popularity, trends and eras for 5,700+ American names, free.

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