Search gender: all male female ナガヲ Japanese Boy Names Variations. 1 names found. gender: all male female Name: nagao Katakana: ナガヲ 0 Kanji: 長雄 Meaning: 長Long. Long distance or interval. A large range of time. Nurture. advantage. Relaxed. Eldest. Things that are at the top. Something that is useless. 雄Male. The male of an animal. Brave. An excellent person. Large in scale. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ナガヲ Japanese Boy Names Variations.