Search gender: all male female Seine Boy Name Meaning, Kanji Variations. 2 names found. gender: all male female Name: seine Katakana: セイネ 0 Kanji: 征音 Meaning: 征Going on a trip 音Sound. Tone. Voice. News. Name: seine Katakana: セイネ 0 Kanji: 誠音 Meaning: 誠True. A heart without lies and falsehoods. Sincerity. Truly. 音Sound. Tone. Voice. News. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Seine Boy Name Meaning, Kanji Variations.