RSF is commonly used as an acronym for the Rapid Support Forces.

RSF may also refer to:

Groups, organizations

<!-- * Ranbaxy Science Foundation, India -->

<!-- * Rassemblement des forces Sociales et Federalistes, Congo -->

  • Religious Society of Friends, a Christian religious group, the Quakers
  • Reporters Without Borders (RSF; )
  • Republican Sinn Féin, a small political party in Ireland
  • Road Safety Foundation in the UK and Ireland
  • Russell Sage Foundation, a philanthropic foundation and publisher

<!-- * Russian Science Foundation -->

  • Russian Socialist Federation of the Socialist Party of America

Sports and games

  • Racing Steps Foundation, a UK motorsports support organization
  • Roar Supporters Federation, a fan association for Brisbane Roar FC, Brisbane, Queensland, Australia

<!-- * Russian Ski Federation -->

<!-- * Russian Swimming Federation -->

Other military organizations

  • Ranger Strike Forces, Kenya Special Forces
  • Regiment Special Force, Sri Lankan Air Force; an elite unit
  • Reserve Strike Force, I Corps (Sri Lanka); a rapid reaction force
  • Rhodesian Security Forces, the military and security forces of the government of former Rhodesia (1964–1980)
  • Royal Scots Fusiliers, former line infantry regiment of the British Army (1678–1959)
  • Rwandan Security Forces, part of the Rwanda Defence Force

Fictional groups

  • Republican Security Forces, a fictional fascist militia in the British science fiction series Doctor Who

Arts, entertainment, media; sports and games

  • Rainbow Serpent Festival, an arts, music and lifestyle festival in Victoria, Australia
  • Referee stopped fight, in boxing
  • Right Said Fred, British music band
  • Royal straight flush, a hand in poker
  • RSF, a French synthesizer manufacturer. See RSF Kobol for an example.

Other uses

  • Rancho Santa Fe, a settlement in California, USA
  • Recovery Support Function, a component of the National Disaster Recovery Framework (NDRF)

<!-- * Recreational Sports Facility, University of California at Berkeley, Berkeley, California, USA -->

  • Rentable Square Feet, a measure of floor area (building)
  • Resource selection function, in ecology
  • RSF: The Russell Sage Foundation Journal of the Social Sciences

See also