Charles Thomas Sillett (29 October 1906 – 27 February 1945) was an English professional footballer who played as a full back for Southampton in the 1930s. He was the father of John Sillett and Peter Sillett, both of whom became professional footballers. Charlie Sillett was killed in a U-boat attack on an allied convoy while serving with the Royal Navy in 1945. He had already survived the torpedoing of HMS Registan in 1942.