OF or Of may refer to:
The Official World Golf Ranking is a system for rating the performance level of male professional golfers (although there is no rule prohibiting women from being ranked).
An official state car is a car used by a government to transport its head of state or head of government in an official capacity, which may also be used occasionally to transport other members of the government or visiting dignitaries from other countries.
Offal (), also called variety meats, pluck or organ meats, refers to the internal organs and entrails of a butchered animal.
Office 365 is a line of subscription services offered by Microsoft, as part of the Microsoft Office product line.
Of Mice and Men is a novella written by author John Steinbeck. Published in 1937, it tells the story of George Milton and Lennie Small, two displaced migrant ranch workers, who move from place to place in California in search of new job opportunities during the Great Depression in the United States.
Offset printing is a commonly used printing technique in which the inked image is transferred (or "offset") from a plate to a rubber blanket, then to the printing surface.
An official language is a language that is given a special legal status in a particular country, state, or other jurisdiction.
An official residence is the residence at which a nation's head of state, head of government, governor or other senior figure officially resides.