Search gender: all male female Seiji Name Meaning, Kanji Variations. 201 names found. gender: all male female Name: seiji Katakana: セイジ 0 Kanji: 靖治 Meaning: 靖Peaceful. Gentle. Calm. To make the world safe. 治Govern. Manage. Quell. Judge. Correct. To adjust. To cure illness or injury. To treat. To compare. To help. To flourish. You can save your favorite names with prev1…7891011 NazukePON > About Japanese Names > Search For Japanese Names > Seiji Name Meaning, Kanji Variations.