Koji
Featured in baby name books
Koji is a Japanese name meaning “child.” Koji is Japanese for “happy second son.”
Sources: Baby Names Your Child Can Live With, The Everything Baby Names Book, Baby Names Made Easy
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Usage of Koji in different languages / cultures
The list below was created by gathering names from various sources for different languages, and then matching Koji against each list of names.
Note: In some cases it is possible for the check mark to be missing even if Koji is used in a particular country, as almost no source name list has 100% coverage.
Koji in official name statistics
United States
In 2025, 34 boys were named Koji, making it the #3379 boys' name in the US. Since 1922, 645 boys have been named Koji, with the most (34) in 2025. It is most common, relative to births, in California.
Source: Social Security Administration baby name data, 1880–2025. Names given to fewer than 5 babies in a year are not listed.
Storms named Koji
Tropical storms, hurricanes, typhoons and cyclones that have been named Koji, newest first.
| Storm | Year | Ocean | Peak wind |
|---|---|---|---|
| Tropical storm Koji | 2026 | South Pacific | 102 km/h |
| Cyclone Koji (Category 1) | 2012 | South Indian Ocean | 139 km/h |
Source: IBTrACS, NOAA National Centers for Environmental Information. Peak wind is the highest sustained wind recorded for the storm.
Towns named Koji
There are 25 towns and villages with Koji in their name, in 7 countries.
🇯🇵 Japan 10🇰🇷 South Korea 5🇰🇵 North Korea 3🇳🇬 Nigeria 3🇦🇫 Afghanistan 2🇳🇪 Niger 1🇸🇱 Sierra Leone 1
| Name | Where | Population | |
|---|---|---|---|
| Bankin-Koji | Nasarawa State, 🇳🇬 Nigeria | – | Map |
| Koji | Hiroshima, 🇯🇵 Japan | – | Map |
| Koji | Sokoto, 🇳🇬 Nigeria | – | Map |
| Koji | Kogi State, 🇳🇬 Nigeria | – | Map |
| Koji | Southern Province, 🇸🇱 Sierra Leone | – | Map |
| Koji-dong | Kangwŏn-do, 🇰🇵 North Korea | – | Map |
| Koji-gol | North Chungcheong, 🇰🇷 South Korea | – | Map |
| Koji-gol | Gyeongsangbuk-do, 🇰🇷 South Korea | – | Map |
| Koji-ri | Gyeonggi-do, 🇰🇷 South Korea | – | Map |
| Kōji | Shimane, 🇯🇵 Japan | – | Map |
Source: GeoNames (CC BY 4.0). Maps: OpenStreetMap.
Koji songs
3 songs and musical works on Wikidata have Koji in their title. The best known:
- Muškarac koji mrzi žene – Jelena Karleuša (2012)
- Da mi je znati koji joj je vrag / Blues za moju bivšu dragu – Bijelo Dugme (1975)
- Blago onom koji ne zna ništa – Ivo Fabijan
Song data: Wikidata (CC0), ordered by how widely each song is covered on Wikipedia.
Celebrities named Koji
Based on celebrities listed on Wikipedia, filtered to only those with the first name Koji.
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Fictional characters named Koji
Characters from films and TV series, from Wikidata, ordered by how widely they are covered on Wikipedia.
Character data: Wikidata (CC0). Images: Wikimedia Commons; click an image for its author and licence.
Koji as a pet name
FurryName has found 44 dogs named Koji in public pet registers, making it the #2,308 dog name there. Most of them are registered in Tacoma (3), Cambridge (2), Victoria (1). Koji as a dog name →
Koji products
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