Sir Stephen Harry Waley-Cohen, 2nd Baronet (born 22 June 1946 in Westminster, London)[3] is an English theatre owner-manager and producer, following a career as a businessman and financial journalist.

He manages the St. Martin's Theatre in London's West End and is the current producer of the world's longest running play The Mousetrap.

[3] Waley-Cohen has been a theatre owner and manager since 1984 when he was Joint Chief Executive of Maybox Group, which managed the Albery (now named the Noël Coward), Criterion, Donmar Warehouse, Piccadilly, Whitehall (now Trafalgar Studios) and Wyndham's theatres, until it was sold in 1989.

[14] The charity brings disadvantaged young people into the West End to experience theatre, and runs access, education and audience development programmes.

[14] Waley-Cohen stood unsuccessfully as the Conservative candidate in both the General Elections in 1974 for the Manchester Gorton constituency.

[3][4] He is President of the JCA Charitable Foundation, which supports projects for education, agriculture and tourism in rural areas of Israel such as Galilee and the Negev.