Valentine Ruth Henshall, known professionally as Ruthie Henshall, is an English actress, singer and dancer, known for her work in musical theatre. She began her professional stage career in 1986, before making her West End debut in Cats in 1987. A five-time Olivier Award nominee, she won the 1995 Olivier Award for Best Actress in a Musical for her role as Amalia Balash in the London revival of She Loves Me (1994).

The Laurence Olivier Award for Best Actress in a Musical is an annual award presented by the Society of London Theatre in recognition of achievements in commercial London theatre. The awards were established as the Society of West End Theatre Awards in 1976, and renamed in 1984 in honour of English actor and director Laurence Olivier.