BGS may stand for:

Art and entertainment

  • Bee Gees, a rock and disco group
  • Beautiful Game Studios, a computer game developer
  • Bethesda Game Studios, a video game developer
  • Brasil Game Show, yearly Brazilian video game convention
  • Bunny Girl Senpai, Japanese light novel series

Science and technology

  • Below ground surface, in scientific reports; see Australian Aboriginal prehistoric sites
  • Baller–Gerold syndrome
  • Berkeley gas-filled separator, an instrument that uses a magnetic deflection system filled with gas at low pressure; see Isotopes of flerovium
  • Braunstein-Ghosh-Severini Entropy, of a network
  • British Geological Survey, an organisation in the United Kingdom
  • British Geriatrics Society, the professional body of specialists involved with health care of the elderly in the United Kingdom

Schools

  • Bandon Grammar School, an independent, fee-paying school in Bandon, County Cork
  • Bangor Grammar School, a voluntary school in Bangor, County Down
  • Bankstown Grammar School, in Australia
  • Bedford Girls' School, an independent grammar school in Bedford, England
  • Beverley Grammar School, a state grammar school in Beverley, England
  • Bexley Grammar School, a co-educational grammar school in Bexley, England
  • Boston Grammar School, in Boston, England
  • Bourne Grammar School, in Bourne, England
  • Bradford Grammar School, an independent grammar school in Bradford, England
  • Brisbane Grammar School, one of the oldest high schools in Queensland, Australia
  • Brighton Grammar School, in Melbourne, Australia
  • Bristol Grammar School, an independent grammar school in Bristol, England
  • Burnham Grammar School, a co-educational grammar school in Burnham, Buckinghamshire
  • Bury Grammar School, an independent grammar school in Greater Manchester, England

Transport

  • Begusarai railway station, Bihar, India, Indian Railways station code
  • Bugis MRT station, Singapore, MRT station abbreviation

Other uses

  • Bachelor of General Studies, an interdisciplinary undergraduate-level academic degree
  • BackGround Sound, such as in video games and anime
  • Beta Gamma Sigma, a business honor society
  • Bouquet, Garcin & Schivre, a French electric car manufactured between 1899 and 1906
  • Brigadier General Staff, the chief staff officer in a British army Corps
  • Bundesgrenzschutz, the German Federal Border Guard, now called the German Federal Police