Ritsuko, (written: 律子 lit. "law, child", りつ子 or リツ子), is a feminine Japanese given name. Notable people with the name include:
Ritsuko Hiroto (born 1981), Japanese cricketer
Ritsuko Kawai (河井 リツ子, born 1964), Japanese writer
Ritsuko Matsuda (松田 律子, born 1977), Japanese singer
Ritsuko Nakayama (中山 律子, born 1942), Japanese bowler
Ritsuko Nemoto (根本 りつ子, born 1929), Japanese actress
Ritsuko Okazaki (岡崎 律子, 1959–2004), Japanese singer-songwriter
Ritsuko Taneda (種田 律子), Japanese musician
Fictional characters:
Ritsuko Akagi (赤木 リツコ), a character in the anime series Neon Genesis Evangelion
Ritsuko Akizuki (秋月 律子), a character in the video game series THE iDOLM@STER
Ritsuko Sakakibara (榊原 律子), a character in the novel Another
