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Kasai
BoyMeaning of Kasai: Japanese: 'fire'
Kasai is a boy's name most strongly associated with Japanese naming. It has 5 letters and 2 syllables, and it is familiar but far from overused — 642nd most popular boys' name in the United States in 2025 and 3254th in England & Wales.
US rank 2025
#642
444 babies in 2025
England & Wales 2024
#3254
6 babies in 2024
US babies since 1880
1,083
First recorded 1996 · peak 2025
Trend
rising
Style: uncommon
Popularity over time
Gender split
98% boys · 2% girls, based on US, UK and international usage.
Origins & cultures
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Hawaiian · 1 syllable
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