Search gender: all male female 六花 Japanese Boy Names Variations. 1 names found. gender: all male female Name: rokka Katakana: ロッカ 0 Kanji: 六花 Meaning: 六Six. Sixth. Kanji character for the number 6 (six). A number that is one more than five. 花Flowers. Something shaped like a flower. A metaphor for something as beautiful or gorgeous as a flower. Honor. To be excellent. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 六花 Japanese Boy Names Variations.