Search gender: all male female ロコ Japanese Boy Names Variations. 1 names found. gender: all male female Name: roko Katakana: ロコ 0 Kanji: 呂胡 Meaning: 呂Yin tone in Gagaku music, etc. 胡Different ethnic groups living in the north and west of China You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ロコ Japanese Boy Names Variations.