Ishizuka (written: 石塚 or いしづか in hiragana, lit. "stone mound") is a Japanese surname. Notable people with the surname include:
Atsuko Ishizuka (いしづか あつこ) (born 1981), Japanese anime director
Katashi Ishizuka (石塚 堅) (born 1970), Japanese voice actor
Keiji Ishizuka (石塚 啓次) (born 1974), Japanese footballer
Rie Ishizuka (石塚 理恵) (born 1964), Japanese voice actress
Sagen Ishizuka (石塚 左玄) (1850–1909), Japanese physician
Sayori Ishizuka (石塚 さより) (born 1977), Japanese voice actress
Takeshi Ishizuka (石塚 武士) (born 1987), Japanese ice hockey player
Ishizuka Tomoji (石塚 友次) (1906–1984), Japanese poet and writer
Toshiaki Ishizuka (石塚 俊明) (born 1950), Japanese musician
Unshō Ishizuka (石塚 運昇) (born 1951), Japanese voice actor
Yukio Ishizuka (born 1938), Japanese psychiatrist
