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Kaiyu
BoyMeaning of Kaiyu: Chinese: 'joyous universe'
Kaiyu is a boy's name most strongly associated with Chinese naming. It has 5 letters and 1 syllable, and it is a genuinely rare and unique choice — 11851st most popular boys' name in the United States in 2025.
US rank 2025
#11851
5 babies in 2025
England & Wales 2024
—
Fewer than 3 babies or unlisted
US babies since 1880
98
First recorded 2001 · peak 2002
Trend
stable
Style: rare
Popularity over time
Gender split
100% boys · 0% girls, based on US, UK and international usage.
Origins & cultures
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