The Improper Duchess
Written by	James Fagan
Date premiered	13 January 1931
Place premiered	Empire Theatre, Southampton
Original language	English
Genre	Comedy

The Improper Duchess is a 1931 comedy play by the Irish-born writer James Fagan.

It premiered at the Empire Theatre in Southampton before transferring to the Globe Theatre in London's West End where it ran for 348 performances between 22 January and 21 November 1931. It starred Yvonne Arnaud in the title role. The cast also included Frank Cellier, Hartley Power, John Laurie, Annie Esmond and Julie Suedo.^[1]

Film adaptation

In 1936 the play was made into a film The Improper Duchess with Arnaud reprising her role.