Search gender: all male female Sanezumi Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: sanezumi Katakana: サネズミ 0 Kanji: 眞澄 Meaning: 眞True. Truth, not falsehood. Nature as it is. True form. Innate. 澄Clear. Water and sounds are clear and beautiful. The sky is not dull. You can save your favorite names with NazukePON > About Japanese Names > Search For Japanese Names > Sanezumi Boy Name Meaning, Kanji Variations.