SW1

SW1 may refer to:


 * SW1, a postcode district in the London SW postcode area
 * EMD SW1, a diesel-electric locomotive manufactured between 1938 and 1953
 * Star Wars: Episode I – The Phantom Menace, a 1999 film
 * Star Wars MUSH, an online text-based role-playing game
 * Shawn Wayans, known as DJ SW1
 * Cheng Lim LRT station, Singapore