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