Search gender: all male female Yukazu Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: yukazu Katakana: ユカズ 0 Kanji: 由一 Meaning: 由Source. Origin. to be based on. Reason. 一One. The first. Kanji for the number 1 (one). To be the most superior. To begin, to put things together. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Yukazu Boy Name Meaning, Kanji Variations.