Lawful, correct, or refined
A Japanese name with several possible meanings depending on the kanji used. Most commonly, it combines 'sei' (meaning correct, just, or refined) with 'ji' (meaning child, rule, or manage). It is a traditional name in Japan that conveys a sense of order and integrity.
About 8 boys were named Seiji in 2025.
US births per 5-year period, 1990–present (SSA data).
World-renowned Japanese conductor
Japanese professional baseball player
Aspiring violin maker and protagonist · Whisper of the Heart
Biophysicist known for discovering the principle of fMRI
