The Murders in Praed Street is a 1928 detective novel by John Rhode, a pen name of the British writer Cecil Street. It features the fourth appearance of the armchair detective Doctor Lancelot Priestley.

Seldom has Scotland Yard been faced by a more baffling problem than that presented by the series of terrible outrages known as the Praed Street Murders, which spread horror and fear throughout every home in London.

Not the least singular feature of these crimes was that in each case the victim was a middle-aged man, some petty shop-keeper or clerk, leading a quiet and unobtrusive life. Hence there appeared to be no motive for the murders.

And yet these crimes were clearly planned by a single fiendish brain, for in each case the destined victim had received the same sinister intimation of his impending doom…