Search gender: all male female Kozu Boy Name Meaning, Kanji Variations. 2 names found. gender: all male female Name: kozu Katakana: コウズ 0 Kanji: 鴻図 Meaning: 鴻Whooper swan (Cygnus cygnus) 図Figure Name: kozu Katakana: コウズ 0 Kanji: 宏図 Meaning: 宏Large. Big. Expand. Excellent. To be splendid. 図Figure You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Kozu Boy Name Meaning, Kanji Variations.