Koji: Name Meaning, Origin & Popularity

At a Glance: Name: Koji – Meaning: vast second son or peaceful ruler – Origin: Japanese – Gender: Boy – Pronunciation: KOH-jee


Koji is a Japanese boy's name meaning “vast second son or peaceful ruler”. It appears in our list of 175+ Japanese Baby Boy Names That Are Strong and Serene.

Meaning & Origin of Koji

Meaning: Vast second son or peaceful ruler.

Origin: Japanese.

Source: Wikipedia.

How to Pronounce Koji

Phonetic: KOH-jee   IPA: /ˈkoʊdʒi/

Popularity of Koji

Source: U.S. Social Security Administration birth-name data, 1922–2024.

Lists That Include Koji

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