Crest of the Wave is a musical with book and music by Ivor Novello and lyrics by Christopher Hassall.
It premiered at the Theatre Royal, Drury Lane in London, on 1 September 1937, starring Novello as both hero and villain, Dorothy Dickson, Olive Gilbert, Walter Crisham and Edgar Elmes. It ran for 203 performances.
The best-known songs from the musical are "Rose of England", "Why isn't it you?", "Haven of your heart" and "If you only knew". The story concerns an impoverished nobleman, The Duke of Cheviot, who is shot by a lover and pursued by the villainous Otto Fresch. It featured a spectacular train crash, one of several Novello musicals featuring a spectacular disaster: Glamorous Night has a shipwreck and Careless Rapture depicts an earthquake.