SFS

• Subic Bay International Airport (IATA airport code: SFS), Subic Bay Freeport Zone, Morong, Bataan, Olongapo, Central Luzon, Luzon, Philippines

• SAN file system
• Self-certifying File System, a decentralized network file system
• Smart File System, a journaling filesystem used on Amiga computers
• SquashFS, a compressed file system for Linux operating systems
• Simple Features, an OpenGIS standard for storage of geographical data
• The partition type of Windows Dynamic disks, see Logical Disk Manager#Basic and dynamic disks and volumes

• Society for Financial Studies, nonprofit academic society
• Saint Francis School Deoghar, English-medium convent school in Jharkhand, India
• Seoul Foreign School, English language school in Seoul, South Korea
• Sidwell Friends School, private Quaker school in Washington DC
• The School for Field Studies, the USA's oldest and largest undergraduate environmental study abroad program
• Edmund A. Walsh School of Foreign Service, a school of international relations within Georgetown University
• Swedish National Union of Students ({{langx|sv|Sveriges Förenade Studentkårer|links=no}})

• Sioux Falls Skyforce, a basketball team from Sioux Falls, South Dakota
• Sydney Football Stadium (1988), demolished Australian stadium
• Sydney Football Stadium (2022), Australian stadium

• San Francisco Symphony
• SFS Group, Swiss fastener manufacturer
• Finnish Standards Association

• Swedish Code of Statutes (Svensk författningssamling)
• Effluent sewer or solids-free sewer

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• SF (disambiguation) for the singular of SFs

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