Search gender: all male female Goko Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: goko Katakana: ゴコウ 0 Kanji: 伍皇 Meaning: 伍Five. An administrative unit in ancient China that consisted of five houses. A group of five people. 皇Emperor. King. Monarch. Japan. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Goko Boy Name Meaning, Kanji Variations.