| BSG | Bacon Shack Gamer 
| Others |
| BSG | Baker Street Goons
| Others |
| BSG | Banking Stakeholder Group
| Others |
| BSG | Barry Stephen Goldfarb
| Others |
| BSG | Bata, Equatorial Guinea
| Others |
| BSG | Battery Starter Generator
| Others |
| BSG | Battle Star Galactica
| Others |
| BSG | Battlestar Galactica
| Others |
| BSG | Beacon Street Girls
| Others |
| BSG | Belonging Security Goal
| Others |
| BSG | Belt Starter Generator
| Others |
| BSG | Benefit Services Group
| Others |
| BSG | Bereavement Social Group
| Others |
| BSG | Big Shield Gardna
| Others |
| BSG | Billing Services Group
| Others |
| BSG | Binaural Signal Generator
| Others |
| BSG | Blessed Son of God
| Others |
| BSG | Blocked Space Group
| Others |
| BSG | Blood Sweat and Gears
| Others |
| BSG | Blood, Sweat, and Glitter
| Others |
| BSG | Boston Search Group
| Others |
| BSG | Bounded Sliceline Grid
| Others |
| BSG | Bournemouth School For Girls
| Others |
| BSG | Branch Segment
| Others |
| BSG | Brasseurs sans gluten
| Others |
| BSG | Brewers Supply Group
| Others |
| BSG | British Society for Geomorphology
| Others |
| BSG | British Society of Gastroenterology
| Others |
| BSG | Broad Sweeping Generalization
| Others |
| BSG | Broadband Stakeholder Group
| Others |
| BSG | Bronze Silver and Gold
| Others |
| BSG | Brother Sister Gameplay
| Others |
| BSG | Business Services Group
| Others |
| BSG | Business Solutions Group
| Others |
| BSG | Business Strategy Game
| Others |
| BSG | Business Systems Group
| Others |