SG, Sg or sg may stand for:

In computing and internet:

  • Sega Genesis, a game console
  • Sonic Generations, a video game
  • .sg, the top-level domain of Singapore
  • SuicideGirls, a softcore pornographic website
  • Security Group, a group in Active Directory used for security purposes.
  • SuperGroup, a concept in City of Heroes, the equivalent of "guilds" or "clans"

In education:

  • Saint Gabriel's College, a private school in Bangkok, Thailand
  • Standard Grade, a Scottish certificate of education, roughly equivalent to the English and Welsh GCSE

In engineering:

  • Specific gravity

In music:

  • Selena Gomez, an American actress and singer
  • Gibson SG, an electric guitar manufactured by Gibson Guitar Corporation
  • SG Wannabe, a South Korean music group
  • Soundgarden, a popular 80s and 90s grunge band
  • Spice Girls, a former English pop music group
  • "Spitting Games", a 2003 and 2004 single released by Snow Patrol
  • "Sexual Guarantee", a 2001 single by Alcazar
  • School Gyrls, a teen girl group signed to Island Records

In sports:

  • Shooting guard, a basketball position
  • Stade Gabèsien, a football club from Gabès, Tunisia
  • Super G, a short term for Super Giant Slalom skiing, a discipline of slalom skiing
  • Sportgemeinschaft, a German term for a sports club, commonly used in East Germany
  • Sanspareils Greenlands, a cricket equipment manufacturer (makers of official test ball in India)
  • Steven Gerrard

In technology

  • Shutter glasses, a device used in conjunction with a display screen to create the illusion of a three dimensional image

In military:

  • SG-43, Stankovyi Goryunova Model 1943, a Soviet medium machine gun

In transportation:

  • SG, IATA code for Jetsgo from 2001 to 2005
  • SG, IATA code for SpiceJet since 2005
  • Standard Gauge for railways (4 ft 8.5 in or 1435 mm)


  • Singapore, ISO 3166-1 country code
  • Sango language ISO 639-1 code
  • Secretary General, an organisation and communist party title
  • Shotgun abbreviation and buckshot size
  • Simpson Grierson, a New Zealand law firm
  • Société Générale, a European financial services company
  • Solicitor General (disambiguation), a legal advocate of a government
  • Star of Gallantry, an Australian gallantry decoration
  • Straż Graniczna, a Polish border guard formation
  • Seaborgium, a chemical element
  • Sky Girls, a Japanese animated series
  • Stargate, a Canadian-American military science fiction media franchise running from 1994, 1997–2011
  • Steins;Gate, a 2009 Japanese visual novel
  • Straight gyrus, the portion of the frontal lobe of the brain that is medial to the medial orbital gyrus
  • Canton of St. Gallen, a canton in Switzerland