Kazuko (written: 和子, 数子, 佳寿子, 嘉壽子 or かずこ in hiragana) is a feminine Japanese given name. Notable people with the name include:
Fujimoto Kazuko (藤本 和子) (born 1939), Japanese writer and translator
Kazuko Fujita (藤田 和子) (born 1957), Japanese manga artist
Kazuko Hara (原 嘉壽子) (born 1935), Japanese opera composer
Kazuko Hosoki (細木 数子) (born 1938), Japanese astrologer and writer
Kazuko Ikeda (池田 和子) (born 1974), Japanese alpine skier
Kazuko Ito-Yamaizumi (山泉 和子) (born 1935), Japanese table tennis player
Kazuko Katō (かとうかず子) (born 1958), Japanese actress
Kazuko Kōri (郡 和子) (born 1957), Japanese politician
Kazuko Kurosawa (黒澤 和子) (born 1954), Japanese costume designer
Kazuko Sawamatsu (沢松 和子) (born 1951), Japanese tennis player
Kazuko Shiraishi (白石 かずこ) (born 1931), Japanese poet and translator
Kazuko Shirakawa (白川 和子) (born 1947), Japanese actress
Kazuko Sugiyama (杉山 佳寿子) (born 1947), Japanese voice actress
Kazuko Tadano (只野 和子), Japanese character designer and animation director
Kazuko Takatsukasa (鷹司 和子) (1929–1989), Japanese princess
Kazuko Yanaga (弥永 和子) (born 1947), Japanese voice actress
Kazuko Yokoo (横尾 和子) (born 1941), Japanese judge and diplomat
Kazuko Yoshiyuki (吉行 和子) (born 1935), Japanese actress
