The Wrong Box (1966) is a British comedy film made by Salamander Film Productions and distributed by Columbia Pictures. It was produced and directed by Bryan Forbes from a screenplay by Larry Gelbart and Burt Shevelove, based on the novel by Robert Louis Stevenson and Lloyd Osbourne.

The cast includes a number of Britain's leading actors and comic actors of the time, including John Mills, Ralph Richardson, Michael Caine, Peter Cook, Dudley Moore, Peter Sellers, Irene Handl and Tony Hancock.