You Know What Sailors Are is a 1954 British comedy film directed by Ken Annakin and starring Donald Sinden, Michael Hordern, Bill Kerr, Dora Bryan and Akim Tamiroff. The screenplay by Peter Rogers was based on the 1951 novel Sylvester by Edward Hyams. It was shot at Pinewood Studios and on location around the Isle of Portland. The film's sets were designed by the art director George Provis.