OSF

OSF may stand for:

  • Ógra Shinn Féin, the youth wing of the Sinn Féin political party
  • Old style figures
  • Open Software Foundation
  • Operational Support Facility
  • Opera Show Format, an XHTML-based slideshow format
  • Ordered-Sorted Feature Logic, a logic formalism
  • Oregon Shakespeare Festival repertory theatre in Ashland, Oregon
  • Oxford Scientific Films
  • The Old Spaghetti Factory
  • Independent Senate Fraction or Onafhankelijke Senaatsfractie, a political group of the Netherlands
  • Order of Servant Franciscans, a Franciscan order
  • Oklahoma Office of State Finance - an agency of the Government of Oklahoma responsible for centralized State government budgeting and accounting
  • Old School Fighters