Seiji
- Gender
- Male
- Meaning
- Lawful; Manages Affairs Of State
- Origin
- Japanese
Seiji Popularity Snapshot
Across the entire US Social Security Administration record (1880–2024), 509 baby boys have been named Seiji. The name peaked in 2007 with 19 US births that year (rank #4951). In 2024, ranked #9694 nationally — 4,743 places below its 2007 peak.
Top States for Seiji
Based on 1910–2024 US SSA state-level records, the three states with the most Seiji births are: Hawaii (32), California (30).
Other Japanese-Origin Names Like Seiji
If you like Seiji's Japanese origin, consider these related names: Aiko, Akeno, Aki, Akiko, Akina. Browse all Japanese names →
5-Letter Names Starting with S
Names with Seiji's exact length and starting letter: Saada, Sabah, Saber, Sabih, Sabir.
Quick Facts About Seiji
Looking for names like Seiji?
A dedicated page with 60+ related names — spelling variants, rhymes, alliterations, same-origin matches, and shared meaning concepts — lives at its own URL so each kind of similarity gets a deeper treatment than fits here.
Compare Seiji to Other Popular Names
Side-by-side popularity charts and crossover years for Seiji against today's most popular boys-name peers (top 8 by US births in the last 10 years of SSA records).