OFS may stand for:
Education 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
Finance Oklahoma Office of State Finance Office of Financial Stability
Computing Amiga Old File System Object File System, a Microsoft project in the 1990s
Places 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
Business Schlumberger Oilfield Services, a division of Schlumberger Limited OFS (company), an American technology company
Other 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 (; abbreviated OFS) Oxford Symposium on Food and Cookery, also known as the Oxford Food Symposium