Mitsuyoshi (written: 三厳, 光亮, 光慶, 光美, 光聖 or 猛修) is a masculine Japanese given name. Notable people with the name include:
*, Japanese samurai
*, Japanese actor
*, Japanese manga artist
*, Japanese samurai
*, Japanese politician
*, Japanese mathematician
Mitsuyoshi (written: 光吉) is also a Japanese surname. Notable people with the surname include:
*, Japanese video game composer
{{given name, type=both
Japanese-language surnames
Japanese masculine given names