Jan Waters (born 28 January 1937) is an English actress of the theatre, television, and film. She was particularly active in the London theatre scene during the 1960s and 1970s, notably appearing in the original West End productions of Jule Styne's Do Re Mi and Noël Coward's High Spirits. She also made a moderate number of appearances on British television and appeared in a small number of British films during this time. She was once married to actor Peter Gilmore.