Kai

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

6% girls · 94% boys — About 94% of babies named Kai in recent years have been boys. Kai →

Popularity over time

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.

See where Kai is more common.

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

See how Kai ranks in other countries and regions.

#1,747 in Ecuador (2025) · #1,656 in Canada (2024).

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 — Canadian writer (born 1991)

Among 2,002 notable people named Kai:

Similar names: Kaiah · Sky · Kaiya · Shay · Maleah · Kalea

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