SFO (disambiguation)

SFO is the airport identifier code for 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
 * Station facility owner of a UK train operating company
 * Subfornical organ, in the brain
 * Stocks, Futures and Options Magazine, 2001-2012