Rei Sakuma (佐久間 レイ, Sakuma Rei, born Reiko Sakuma (佐久間 玲子, Sakuma Reiko), January 5, 1965 in Tokyo) is a Japanese voice actress employed by 81 Produce. She is best known in Japan for her voice work in the long running children's series Soreike! Anpanman; her most famous role in the English-speaking world, however, is probably as the Chinese Amazon Shampoo in Ranma ½.