Koi

A unisex name of Japanese origin, meaning a type of ornamental carp fish.

Babies a year
51
the US, 2017
Rarity
Very rare
among names in use
US popularity
—
outside the top 1000
UK popularity
—
outside the ONS list

Koi by the numbers

Koi was given to 51 American babies in 2017, the most recent full year we hold.

Its American peak was 40 babies in 2011, making it a 2010s name.

Spelled almost the same

Other names in the records within a letter or two of Koi. Close spellings are not always related names, but they are usually worth seeing together.

  • Kaisea672 in England and Wales (2025)
  • Koawarrior; a type of tree259 in England and Wales (2025)
  • Khigreek letter chi26 in the US (2017)
  • Kitree; wood; or various meanings by character13 in the US (2017)
  • Koy27 in the US (2017)
  • Kyi17 in the US (2017)

Sounds like Koi

Names that are said the same way as Koi, however they are written. Sounding alike does not mean they share a history.

  • Coyquiet; modest; still waters142 in the US (2017)
  • Khoi5 in England and Wales (2025)
  • Coye7 in the US (2017)
  • Koh5 in the US (2017)
  • Kou5 in the US (2017)

Names about as common as Koi

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