Search gender: all male female クジャク Japanese Boy Names Variations. 1 names found. gender: all male female Name: kujaku Katakana: クジャク 0 Kanji: 孔雀 Meaning: 孔Hole 雀Sparrow. The name of a bird. Brown like a sparrow's feathers. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > クジャク Japanese Boy Names Variations.