Search gender: all male female ラクハル Japanese Boy Names Variations. 1 names found. gender: all male female Name: rakuharu Katakana: ラクハル 0 Kanji: 樂治 Meaning: 樂Fun. Music and Gagaku. Folk entertainment. To be at ease in body and mind. To relax. Economically affluent. Easy to understand. 治Govern. Manage. Quell. Judge. Correct. To adjust. To cure illness or injury. To treat. To compare. To help. To flourish. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ラクハル Japanese Boy Names Variations.