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Koy
BoyMeaning of Koy: Thai: 'precious'
Koy is a boy's name most strongly associated with Thai naming. It has 3 letters and 1 syllable, and it is familiar but far from overused — 5102nd most popular boys' name in the United States in 2025.
US rank 2025
#5102
18 babies in 2025
England & Wales 2024
—
Fewer than 3 babies or unlisted
US babies since 1880
979
First recorded 1970 · peak 1997
Trend
stable
Style: uncommon
Popularity over time
Gender split
97% boys · 3% girls, based on US, UK and international usage.
Origins & cultures
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Other names starting with K
Hawaiian · 1 syllable
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Irish · 2 syllables
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Scottish · 2 syllables
US #307UK #968
American · 2 syllables
US #138UK #250
Arabic & Persian · 2 syllables
US #395UK #283
Hebrew · 2 syllables
US #310UK #308
Scottish · 2 syllables
US #512UK #651
American · 2 syllables
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Irish · 2 syllables
US #394UK #664
American · 2 syllables
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Irish · 1 syllable
US #409UK #204
Hawaiian · 1 syllable
US #254UK #206