A Window in London is a 1940 British thriller film directed by Herbert Mason, written by Brigid Cooper and Ian Dalrymple for Greenspan & Seligman Enterprises Ltd and distributed by General Film Distributors. The cast includes Michael Redgrave, Patricia Roc, Sally Gray, Paul Lukas and Hartley Power. It is a remake of the French film Metropolitan (1939). The plot focuses on a man who becomes drawn to the wife of a jealous magician - after spotting what appears to be a murder in their flat.

The film is set in London, and was made when Waterloo Bridge was still under construction. It was released in the US in 1942 under the title Lady in Distress and released to cinemas in the United Kingdom on 15 June 1940.