What does SF stand for?

What does SF mean?

SF	IRCAM Sound File Computing » File Extensions
SF	OS/2 WPS attribute storage Computing » File Extensions
SF	Sacrifice Fly Community » Sports
SF	Safe Governmental » NASA
SF	Safe, R and QA (R&QA), and Protective Services (KSC Directorate) Governmental » NASA
SF	Safety Factor Governmental » NASA
SF	Samuel Freeman Community » Media
SF	San Fernando Electronics Governmental » Suppliers
SF	San Francisco Governmental » State & Local
SF	San Francisco Regional » States
SF	San Francisco Community
SF	San Francisco 49Ers Miscellaneous » NFL Teams
SF	San Francisco Field Office Governmental » FBI Files
SF	San Francisco Giants Community » Sports
SF	Sandals And Feet Medical » Physiology
SF	Scale Factor Governmental » NASA
SF	Scaling Factor Academic & Science » Mathematics
SF	Scarcely Found Miscellaneous » Hobbies
SF	Scatter factor Medical » Medical Physics
SF	School Food Community » Educational
SF	Schrodinger Functional Academic & Science » Physics
SF	Schweizer Franken (Swiss Franc) Regional » Currencies
SF	Science Fiction Community » Media
SF	Science Fiction Miscellaneous » Science Fiction
SF	Science Fiction Academic & Science » Astronomy