OFS may stand for:

• The Office for Students, the government regulator for the higher education sector in England
• Overseas Family School, a school in Singapore
• Orley Farm School, a North-London prep school

• Oklahoma Office of State Finance
• Office of Financial Stability

• Amiga Old File System
• Object File System, a Microsoft project in the 1990s

• Orange Free State, an independent country in 19th century South Africa
• Orange Free State, a province of South Africa from 1910 to 1994
• Free State Province, a province of South Africa since 1994, called Orange Free State from 1994 to 1995

• Schlumberger Oilfield Services, a division of Schlumberger Limited
• OFS (company), an American technology company

• Old Frisian (ISO 639-3 code)
• Ottawa Fire Service
• Operation Freedom's Sentinel, a U.S. led counterterrorism mission in Afghanistan since Jan 1, 2015
• Secular Franciscan Order (Latin: Ordo Franciscanus Saecularis; abbreviated OFS)
• Oxford Symposium on Food and Cookery, also known as the Oxford Food Symposium

This disambiguation page lists articles associated with the title OFS.
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