| Acronym | Definition |
|---|
| BGS | British Geological Survey |
| BGS | Bachelor of General Studies (degree) |
| BGS | Below Ground Surface (depth below the ground surface) |
| BGS | Beta Gamma Sigma |
| BGS | Bundesgrenzschutz (German: Federal Border Guard) |
| BGS | British Geriatrics Society |
| BGS | Bristol Grammar School (UK) |
| BGS | BeeGees (band) |
| BGS | Ben Gurion Society |
| BGS | British Goat Society |
| BGS | Berkeley Gas-filled Separator |
| BGS | Burgs |
| BGS | Biogéosciences (French: Biogeosciences) |
| BGS | British Gas Services |
| BGS | Beckett Grading Service (card grading company) |
| BGS | Big Green Sign |
| BGS | Little Brothers of the Good Shepherd (religious order) |
| BGS | Background Score (theatre/cinema) |
| BGS | Batteries Global Services (France) |
| BGS | Baller-Gerold Syndrome |
| BGS | Bombing and Gunnery School |
| BGS | Brune Génétique Services (French: Brown Genetics Services) |
| BGS | Bandos God Sword (gaming; Runescape) |
| BGS | Brauche Geld, Sofort (German: Need Money, Now) |
| BGS | Background Solution |
| BGS | Biologie, Géologie, Santé (French: Biology, Geology, Health) |
| BGS | Bergslagens Geologiska Sällskap |
| BGS | Brevard Genealogical Society (Florida) |
| BGS | Battle for the Golden Sun (Star Wars novel) |
| BGS | Battle Group Support |
| BGS | Belarusian Geographic Society |
| BGS | Bacillus Globigiis Spores |
| BGS | Blanket Gas System |
| BGS | Blind Greedy Search (algorithm) |
| BGS | Block Guided Scrambling |
| BGS | Ballarat and Queens Anglican Grammar School (Ballarat, Australia) |
| BGS | Blair Genealogy Society |
| BGS | Break Glass Switch |
| BGS | Bristol, Gloucestershire and Somerset Environmental Protection Committee (UK) |
| BGS | Breiz Groupe Sécurité (French: Breiz Security Group) |
| BGS | Boston Guppy Session (band) |
| BGS | Brother of the Good Shepherd |
| BGS | Bretagne Gravure Signalétique (French sign engraving company) |
| BGS | British Girl Scouts (UK) |