Search gender: all male female コヨシ Japanese Boy Names Variations. 1 names found. gender: all male female Name: koyoshi Katakana: コヨシ 0 Kanji: 虎仁 Meaning: 虎Tiger. A metaphor for something as strong as a tiger. A drunkard. 仁Compassion. Kindness. People. A word used with respect to a person. The heart of a person. Humanity. A person who has virtue. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > コヨシ Japanese Boy Names Variations.