Keiko Han (潘 恵子, Han Keiko, born April 5, 1953) is a Japanese actress, voice actress and western astrologer. She sang the theme songs in productions such as Story of the Alps: My Annette and Kazoku Robinson Hyōryūki Fushigi na Shima no Furōne. Han is a fortune teller of western horoscopes. She wrote books on the subject. She is employed by talent agency Never Land Arts, and was previously affiliated with Aoni Production & 81 Produce.She is most known for the roles of Lalah Sune (Mobile Suit Gundam), Saori Kido (Saint Seiya), Yurika Sugadaira (Goldfish Warning!) and Luna and Queen Beryl (Sailor Moon).

Keiko's daughter, Megumi Han is also a voice actress.