Search gender: all male female Seya Girl Name Meaning, Kanji Variations. 2 names found. gender: all male female Name: seya Katakana: セヤ 0 Kanji: せや Meaning: せ や Name: seya Katakana: セヤ 0 Kanji: 星夜 Meaning: 星A star. A star shining in the night sky. Celestial bodies. The flow of years, months, and days. An important person. A landmark. Signs. Aims. 夜Night. The time between sunset and sunrise. The dark period when the sun is setting. A metaphor for something quiet and serene. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Seya Girl Name Meaning, Kanji Variations.