Search gender: all male female Retsuna Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: retsuna Katakana: レツナ 0 Kanji: 烈奈 Meaning: 烈Fierce 奈Red apple. The name of a fruit tree called "kara-nashi. A word expressing a question or antonym. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Retsuna Name Meaning, Kanji Variations.