SGW

SGW may refer to:
 * Saginaw Seaplane Base, in Alaska
 * Sebat Bet Gurage language
 * Shinagawa Station, JR East station code
 * Siġġiewi, Malta
 * Signaling gateway
 * Sloan Great Wall, a cosmic structure
 * Sniper: Ghost Warrior, a video game series by CI Games
 * Sons of Gwalia, a defunct Australian mining firm
 * Stargate Worlds, an unreleased video game
 * Serving Gateway, in the System Architecture Evolution standard