80%RatingSave Gender Masculine & Feminine Usage Hawaiian Pronounced Pron. /ˈkaj/ [key·simplify] Meaning & History Means "sea" in Hawaiian. Related Names RootkaiSame SpellingKai 1, Kai 2, Kai 4User SubmissionKai PopularityDetails Last ranked #20 in 2023 Australia (NSW) Last ranked #46 in 2022 Basque Country, Spain Last ranked #46 in 2021 Canada Last ranked #26 in 2023 Catalonia, Spain Last ranked #74 in 2023 England and Wales Last ranked #20 in 1972 Germany Last ranked #37 in 2023 Ireland Last ranked #54 in 2023 Netherlands Last ranked #52 in 2023 Northern Ireland Last ranked #87 in 1979 Norway Last ranked #192 in 2021 Poland Last ranked #32 in 2023 Scotland Last ranked #91 in 2023 Slovenia Last ranked #90 in 2023 Spain Last ranked #61 in 2023 (m) #940 in 2023 (f) United States People think this name isRate·Details modern youthful informal natural wholesome strong refined strange Categories colors, NCIS characters, ocean, pet names, sea, Squishmallows, The White Lotus characters, top 10 in Hawaii, top 10 in Hawaii - 2000-2005, top 10 in Hawaii - 2008, water