Search gender: all male female サナハル Japanese Boy Names Variations. 1 names found. gender: all male female Name: sanaharu Katakana: サナハル 0 Kanji: 真大 Meaning: 真True. Truth, not falsehood. Nature as it is. True form. Innate. 大Big. Large. Large in number or quantity. Greatly. Valuable. Important. Excellent. Splendid. Very much. Much. (Power or force) strong. long time. To be high in rank or position. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > サナハル Japanese Boy Names Variations.