SFO is the IATA code for the San Francisco International Airport.
SFO may also refer to: San Francisco Opera Santa Fe Opera, New Mexico, US Serious Fraud Office (United Kingdom) Serious Fraud Office (New Zealand) Single family office, managing a family's wealth Specialist Firearms Officer of UK police Stanford-le-Hope railway station, Essex, England (National Rail station code SFO) Station facility owner of a UK train operating company Subfornical organ, in the brain Stocks, Futures and Options Magazine, 2001-2012