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Koy

Boy · KOY · English

Koy is a boys' name of English origin, meaning “quiet, shy”. In 2025 it ranked 5,207th for boys in the US (18 babies).

What does Koy mean?

English: spelling of Coy; English surname, via Old French coi from Latin quietus

“quiet, shy”

From the English word coy, 'quiet, shy', which came via Old French from Latin quietus.

Say it
KOY

Meaning borrowed from Coy.

Is Koy a girl's or a boy's name?

Koy is a boys' name. In 2025, it was given to 18 boys in the US. Too few girls were given it to be listed.

How popular is Koy in the US?

Rank in 2025
#5,207among boys
Babies in 2025
18about 1 in 95,000 boys
Five-year trend
Steadyup 6% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 18 boys in the US were named Koy, making it the 5,207th most popular name for boys. Five years earlier, in 2020, it was 4,017th. Its busiest year was 1997, with 46 boys. It first appears in the records in 1970.

Half of all the boys named Koy in the US since 1880 were born between 1999 and 2016, the years shaded on the chart below.

In 2025, 188 boys in the US were given Koy or a name that sounds the same. With every name's spellings counted this way, that ranks #1,030, up from #5,207 for this spelling alone.

1970Busiest: 46 in 19972025
Koy in the US, year by year
YearBoysRank
202518#5,207
202433#3,453
202321#4,738
202218#5,211
202132#3,494
202025#4,017
201923#4,333
201820#4,735
201727#3,885
201633#3,357
201528#3,774
201431#3,454
201333#3,263
201228#3,711
201128#3,694
201022#4,365
200915#5,796
200830#3,558
200722#4,373
200634#3,152
200528#3,443
200441#2,595
200336#2,725
200225#3,445
200120#3,968
200023#3,530
199936#2,459
199826#3,014
199746#1,961
199621#3,287
199517#3,687
19947#6,962
199312#4,690
19926#7,414
19915#8,228
19907#6,408
19890–
19886#6,420
19876#6,083
19860–
19850–
19840–
19830–
19827#5,001
19810–
19800–
19795#6,054
19780–
19775#5,843
19760–
19757#4,307
19749#3,556
19735#5,099
19727#3,960
19715#4,905
19706#4,228

Names like Koy

Names given in the same years and the same naming tradition, with a similar sound.

Other spellings of Koy

More English names