Koichi
Kōichi, Koichi, Kouichi or Kohichi is a masculine Japanese given name.
Meaning & Origin of Koichi
What this name means, where it came from, and how it has traveled across cultures.
Kōichi, Koichi, Kouichi or Kohichi is a masculine Japanese given name.
Source: Wikipedia (CC BY-SA 3.0). Read more →
The Story of Koichi
Koichi first appeared in U.S. Social Security Administration records as a baby boy name in 1914, with 5 babies given the name that year. Its peak popularity came in 1921, when 16 Koichis were born — ranking #2,059 that year. As of 2026, Koichi ranks #12,366 for baby boys with 5 births, with steady use. In total, more than 145 Koichis have been born in the U.S. since records began in 1880, spanning the 1910s through the 2020s.
Popularity Over Time
Popularity by State
Notable people named Koichi
A small selection from Wikipedia. Tap "Read more" below to see the full list on Wikipedia.
- Kohichi Amano ( 天野 浩一 ; born 1979) , Japanese baseball player
- Koichi Chigira (孝一, born 1959), Japanese anime director
- Koichi Domoto (born 1979), Japanese performing artist
- Kōichi Fukaura , Japanese shogi player
- Koichi Fukuda (born 1975), Japanese musician
- Koichi Hamada (economist) ( 浜田 宏一 ; born 1936) , Japanese economist
- Kōichi Hamada ( 浜田 幸一 ; 1928–2012) , Japanese politician
- Koichi Iida ((飯田 鴻一, 1888–1973), Japanese businessman
Source: Wikipedia (CC BY-SA 3.0). Read more →
Names that sound like Koichi
Phonetically similar names — useful when Koichi is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Koichi
What does the name Koichi mean?
How popular is Koichi in 2026?
When was Koichi most popular?
In which U.S. states is Koichi most popular?
Is Koichi a unisex name?
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About the name Koichi
Koichi is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1914 and has accumulated 145 births in the dataset. Koichi's peak popularity came in 1921 when it ranked #2,059. Use the chart and map above to compare Koichi's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 1921 →
- Names of the 1920s →
- Names starting with "K" →
- Browse all boy names →
- Top names of 2026 →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.