Kazunari (written: 和也, 和成, 一成, or 一就) is a masculine Japanese given name. Notable people with the name include:
Kazunari Abe (阿部 和成) (born 1989), Japanese baseball player
Kazunari Hosaka (保坂 一成) (born 1983), Japanese footballer
Kazunari Koga (古賀 一成) (born 1972), Japanese footballer
Kazunari Kojima (小嶋 一成) (born 1977), Japanese voice actor
Kazunari Murakami (村上 和成) (born 1973), Japanese professional wrestler and mixed martial artist
Kazunari Ninomiya (二宮 和也) (born 1983), Japanese idol, singer, songwriter, actor, voice actor and radio host
Kazunari Okayama (岡山 一成) (born 1978), Japanese footballer
Kazunari Ono (大野 和成) (born 1989), Japanese footballer
Saji Kazunari (佐治 一成) (1569–1634), Japanese samurai
Kazunari Sanematsu (實松 一成) (born 1981), Japanese baseball player
Kazunari Tanaka (田中 一成) (born 1965), Japanese voice actor
Kazunari Watanabe (渡邉 一成) (born 1983), Japanese cyclist
