Iizuka (written: 飯塚) is a Japanese surname. Notable people with the surname include:
Hiroki Iizuka (born 1978), Japanese footballer
Kunisaburo Iizuka (1875–1958), Japanese judoka
Mayumi Iizuka (飯塚 雅弓, born 1977), Japanese voice actress and singer
Naomi Iizuka (born 1965), American playwright
Shōkansai Iizuka (1919–2004), Japanese artist
Shōta Iizuka (飯塚 翔太, born 1991), Japanese sprinter
Shōzō Iizuka (飯塚 昭三, born 1933), Japanese voice actor
Takayuki Iizuka (飯塚 孝之, born 1966), Japanese professional wrestler
Takashi Iizuka (game designer) (飯塚 隆, born 1970), Japanese video game designer
