SFO (disambiguation)

SFO is the airport identifier code for San Francisco International Airport.

SFO may also refer to:

• Subfornical organ, in the brain
• Santa Fe Opera, in Santa Fe, New Mexico
• Secular Franciscan Order, a Catholic community
• Serious Fraud Office (United Kingdom), a government department
• Serious Fraud Office (New Zealand), a government department
• Single Family Office, a private company that manages investments and trusts for a single family
• Specialist Firearms Officer, a British Police officer who has undergone training in the use of firearms
• Sportfreunde Oestrich-Iserlohn, a German association football club
• Station facility owner, part of the role of a train operating company in the United Kingdom