SOF may refer to:Science Olympiad Foundation, based in New Delhi, India Sea of Faith, a Christian liberal philosophical movement Sea of Faith, by the BBC Semaine Olympique Française, annual sailing regatta in Hyères Vasil Levski Sofia Airport, Bulgaria Soldier of Fortune (disambiguation) Sound-on-film, technology that stores a movie's soundtrack on the film Special operations forces, military and police units Special Operations Forces (Russia) Special Operations Force (Singapore) Special Operations Forces (Ukraine) Start of frame delimiter, in computer networks data transmission Statement of Facts, a report of a ship's stay in port Stretton-on-Fosse, a village in Great Britain Student of Fortune, an online tutoring company Superior orbital fissure, a foramen in the skull