BG, B.G., or bg may refer to:
BG Pathum United Football Club (Thai: สโมสรฟุตบอลบีจี ปทุม ยูไนเต็ด) is a Thai professional football club based in Pathum Thani Province and is managed by BG FC Sport Co.,Ltd.
BG Group plc was a British multinational oil and gas company headquartered in Reading, United Kingdom.
The Ground Launched Cruise Missile, or GLCM, (officially designated BGM-109G Gryphon) was a ground-launched cruise missile developed by the United States Air Force in the last decade of the Cold War and destroyed under the INF Treaty.
BGR-34 (Blood Glucose Regulator-34) is an Ayurvedic-derived product that is sold in India as an over-the-counter pill for the management of type 2 diabetes.
BGP hijacking (sometimes referred to as prefix hijacking, route hijacking or IP hijacking) is the illegitimate takeover of groups of IP addresses by corrupting Internet routing tables maintained using the Border Gateway Protocol (BGP).
BGL Group is a financial services company based in Orton Southgate, Peterborough, England. Its main lines of business are vehicle and home insurance, with a range of supplementary products such as breakdown cover, legal protection and personal accident cover.