Search gender: all male female Kohagi Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: kohagi Katakana: コハギ 0 Kanji: 琥萩 Meaning: 琥A gemstone in the shape of a tiger. A yellow or yellowish-brown stone. 萩Bush clover (a kind of tree). You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Kohagi Boy Name Meaning, Kanji Variations.