Koji is a baby name with Japanese roots and a meaning often connected to “second son.” It is often treated as a unisex name, which gives it flexibility for families looking for a more open-ended style.
What Does Koji Mean?
Koji is a Japanese name which means “second son”.
The name Koji is often connected to Japanese roots, with a meaning commonly given as “strong and energetic child” or “second son.” It is a popular name in Japan, typically given to boys. In Japanese culture, this name often conveys traits of resilience, determination, and vitality.
Koji can also be a unisex name, but it is more commonly used for boys. The name has a traditional and cultural significance in Japan, reflecting the importance of strength and vigor in a child.
Origin And Style Of Koji
Koji is commonly connected to Japanese naming traditions.
The meaning linked with Koji is usually given as “second son.”
When choosing a name like Koji, many parents also compare how it looks on the page, how easy it is to say, and how well it fits with sibling names or family preferences.
Why Parents Consider Koji
Koji is often treated as a unisex baby name.
Families who like Koji may also be looking for names that start with K, have a similar tone, or carry a meaning that feels thoughtful and positive.
Names Similar To Koji
If you like Koji, you may also want to explore Kato, Kiyo, Kiso, Keno, Keiji.
Top 100 Names Like Koji
Keep the loop going with Top 100 names like Koji and Unisex Names and Japanese baby names.
Names Starting With K
Browse more K names such as Kato, Kiyo, Kiso, Keno or open the K baby names archive.
Explore More K Names
Looking for similar ideas? Browse more K baby names or return to the full baby names directory to compare more options.
Koji is a Japanese name which means “second son”.
The name Koji is often connected to Japanese roots, with a meaning commonly given as “strong and energetic child” or “second son.” It is a popular name in Japan, typically given to boys. In Japanese culture, this name often conveys traits of resilience, determination, and vitality.
Koji can also be a unisex name, but it is more commonly used for boys. The name has a traditional and cultural significance in Japan, reflecting the importance of strength and vigor in a child.
Overall, Koji is a meaningful and powerful name with deep roots in Japanese culture, representing the strength and energy of a young individual.
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Popularity
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Meaning
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Origin
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How to use this profile
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Data signal
Koji has limited reviewed context on BabiesName today. Use any visible public-record detail as a rarity signal, then compare pronunciation, spelling, family fit, and saved-name reactions.
Fit signal
Compare the K initial, sound, spelling, and rhythm with surname, sibling names, and family naming patterns.
Reader signal
Save Koji, react to it, or leave a moderated note if you have practical context that would help future parents.
Sources and limits: public U.S. Social Security baby-name records are used where available. Meaning, origin, style, shortlist, and community notes are treated as decision aids, not as a claim that one name is objectively best.
Shortlist notes
Why parents might save Koji
- Koji appears to be a rare-name profile, so it is best used as a shortlist prompt rather than a fully reviewed meaning or origin article.
- The name starts with K, which can help when matching sibling names, initials, or family naming patterns.
- Use the save button to keep this name available while browsing origins, topic lists, and generator ideas.
Community Notes
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