Kai
Kai is a unisex name of Hawaiian origin meaning “Sea, ocean”, pronounced KY. It ranked #1054 in the United States in 2025, given to 234 babies, and peaked at #770 in 2021. Common nicknames: K.
How popular is Kai in the United States?
Data: U.S. Social Security Administration (SSA). Based on all Social Security card applications for births in the United States.
What does Kai mean, and where does it come from?
Kai is a multicultural name with distinct origins in several languages. In Hawaiian, it means "sea" or "ocean," evoking the vast Pacific waters central to Hawaiian culture. In Japanese, it can mean "shell," "ocean," or "restoration" depending on the kanji used. In Scandinavian languages, Kai is a diminutive of names like Kajetan, while in Mandarin Chinese it can mean "victory" or "open." This rich cross-cultural appeal has made Kai one of the fastest-rising baby names globally, beloved for its brevity, natural imagery, and international versatility.
How is Kai used around the world?
Kai is used in 2 languages worldwide, with 5+ international variants.
TypeUnisex name
Linguistic data: Wikidata (CC0). Variants and language usage may vary by region.
What are the nicknames for Kai?
Famous People Named Kai
- Kai Havertz — German footballer
- Kai Greene — American bodybuilder
- Kai Lenny — Hawaiian big-wave surfer
Similar Names to Kai
If you like Kai, you might also consider these names with a similar feel.
Sibling Name Ideas for Kai
Looking for names that pair well with Kai? Here are some sibling name suggestions that share a similar style and feel.
Frequently Asked Questions
What does the name Kai mean?
Kai is a unisex name of Hawaiian origin meaning "Sea, ocean." Kai is a multicultural name with distinct origins in several languages. In Hawaiian, it means "sea" or "ocean," evoking the vast Pacific waters central to Hawaiian culture.
How do you pronounce Kai?
Kai is pronounced KY. Common variations include Cai, Kye, Kaj.
Is Kai a unisex name?
Yes, Kai is traditionally a unisex name. Popular nicknames include K.