Sog or SOG may refer to:
People Andre Ward, US boxer nicknamed S.O.G. (Son Of God)
Places Sog, Tibet (also Sogba), Nagqu Prefecture, Tibet Autonomous Region of China Sog County, county in Tibet Sogchu River, in Sog County, Tibet Sog River, river in Iceland SOG, Sogndal Airport, Haukåsen (IATA Airport code)
Organizations Society of Genealogists, UK Special Operations Group (disambiguation), a police and military unit in the UK and many other places
Military Special Operations Group (disambiguation), special forces teams Särskilda operationsgruppen, a special forces regiment, Sweden Military Assistance Command, Vietnam – Studies and Observations Group (MACV-SOG or SOG), clandestine US special operations group 1964–1972 SOG Knife, used by U.S. armed forces SOG Specialty Knives, US manufacturer Spear Operations Group, an American private military company responsible for assassinations in the Yemeni Civil War
Science and technology Speed over ground, a nautical term Stool osmotic gap, a medical test value Sync-on-green, a method of sending component video sync signals to video displays