Search gender: all male female Michiu Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: michiu Katakana: ミチウ 0 Kanji: 宙宇 Meaning: 宙Space. The sky. Heaven. A place away from the earth. In the air. Memorizing. 宇Eaves. Roof. A house covered with a large roof. A world covered with a big sky. Infinite space. Heaven. The sky. Spirit. A broad and generous heart. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Michiu Girl Name Meaning, Kanji Variations.