SF

SF may refer to:

• San Francisco, California, United States
• Science fiction

Sports

• Small forward, a position in basketball
• Stade Français, a French rugby union team based in Paris
• Superleague Formula, a motorsport racing series

Political parties

• Sinn Féin, an Irish political party
• Socialistisk Folkeparti or Socialist People's Party, a political party in Denmark
• Sosialistisk Folkeparti or Socialist People's Party, a splinter group of the Norwegian Labour Party

Other uses

• Safety factor
• Schweizer Fernsehen, a German-language television network in Switzerland
• United States Air Force Security Forces
• Selle Français, a French breed of horse
• Significant figures
• Speculative fiction
• Spontaneous fission, a nuclear decay route in which a superheavy nucleus splits into two
• Statsforetak, a type of Norwegian state enterprise
• Street Fighter, a series of fighting games by Capcom
• Suomen Filmiteollisuus, a Finnish film production company
• Svensk Filmindustri, the Swedish film industry
• Switchfoot, a band
• Tassili Airlines' IATA airline designator
• Subito forte, a musical notation for dynamics
• SF, a former Hull classification symbol for a Fleet Submarine in the United States Navy

See also

• Garland SF-01, a fictional racing car in Future GPX Cyber Formula
• Garland SF-03, a fictional racing car in Future GPX Cyber Formula