Muriel Box (22 September 1905 – 18 May 1991) was an English screenwriter and director.
She pursued her favourite subject – the female experience – in a number of films, including Street Corner (1953) about women police officers, Somerset Maugham's The Beachcomber (1954), with Donald Sinden and Glynis Johns as a resourceful missionary, again working with Donald Sinden on Eyewitness (1956) and a series of comedies about the battle of the sexes, including The Passionate Stranger (1957), The Truth Ab