Search gender: all male female セナン Japanese Boy Names Variations. 1 names found. gender: all male female Name: senan Katakana: セナン 0 Kanji: 晟南 Meaning: 晟Bright. Bright with sunshine. Prosperity. A metaphor for something bright and positive. 南South. The name of a direction. To go to the south. To teach the arts or martial arts. A person who rules a country. A person who governs a country. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > セナン Japanese Boy Names Variations.