OF

OF or Of or of may refer to:

Arts and media

• OnlyFans, an internet content subscription service
• Odd Future, an American hip-hop collective
• Operation Flashpoint, a video game series

Language

• of, an English preposition
• Old French, a medieval language

Organizations

• Air Finland, a defunct Finnish airline (IATA airline code OF)
• Občanské fórum, or the Civic Forum, a Czech political movement established during the Velvet Revolution in 1989
• Osvobodilna fronta, the Liberation Front of the Slovene Nation, the main anti-fascist Slovene civil resistance and political organization active during World War II

Places

• Of, Turkey, a town and district in Trabzon Province
• Offenbach (district) and Offenbach am Main (German vehicle registration plates codes OF)

Post-nominals

• Officer of the Order of Fiji, which has the post-nominal letters of OF
• Old Fettesian, sometimes used as post-nominal letters to identify alumni of the British public school Fettes College, Edinburgh, Scotland

Science and technology

• Open Firmware, computer software which loads an operating system
• Oxygen monofluoride, a compound containing only the chemical elements oxygen and fluorine

Other uses

• Ordinary Form, in Roman Catholicism
• Outfielder, a defensive position in baseball

See also

• Oxygen-free (disambiguation)