SOG is also more commonly known to be a three-letter acronym that refers to:
- Standards, Objectives, and Goals, from an educational perspective
- Sea of green (disambiguation)
- Silicon-On-Glass (also SiOG), a type of Silicon-on-insulator semiconductor
- Shot on goal, a statistic kept in ice hockey and box lacrosse
- Society of Genealogists, is a UK-based charitable organisation, which aims to "promote, encourage and foster the study, science and knowledge of genealogy"
- SOG Knife used by U.S. Army Special Forces and Special Observations Group covert operators, including the U.S. Navy Seals
- SOG Specialty Knives, an American military tool maker
- Son of a gun, slang
- Southern Ohio Gun Distributors, Inc. and SOG International, Inc.
- Special Operations Group (disambiguation), a synonym for a SWAT team or Special Forces team
- Speed over ground
- Spin-on Glass, a liquid applied glass applied to fill cracks and provide a dielectric in fabrication processes
- Studies and Observations Group, also known as Military Assistance Command, Vietnam Studies and Observations Group (MACV-SOG, also known as MACSOG and simply SOG) was a highly-classified United States Special Operations Forces unit which conducted clandestine and covert operations prior to and during the Vietnam War
- Summer Olympic Games, the quadrennial international multi-sport event managed by the International Olympic Committee
- Sync on green, a method of sending Component video sync signals to video displays
- Särskilda operationsgruppen, a special forces regiment of the Swedish Armed Forces.
- S.O.G, nickname for professional boxer Andre Ward which stands for "Son of God"