Search gender: all male female ルチカ Japanese Boy Names Variations. 1 names found. gender: all male female Name: ruchika Katakana: ルチカ 0 Kanji: 琉哉 Meaning: 琉Ruri(lapis lazuli). Name of a gemstone. A deep blue to indigo-colored gemstone. One of the seven treasures. 哉Auxiliary characters for questions and antonyms. A particle expressing emotion or admiration. Beginning. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ルチカ Japanese Boy Names Variations.