Foundation Abbreviations and Acronyms
- NUDMNorthwestern University Dance Marathon
- NWNot Warm
- NYRAGNew York Regional Association of Grantmakers
- OASOlympic Archery In Scdools
- OCOrganization Chart
- OCCQOrangutan Care Centre Ald Quarantine
- OCCQOrangutan Care Center and Quarantine
- OCIFOntario College Information Fair
- OFAOrthopedic Foundation for Animals
- OFASOrthopedic Foundation for Animals
- OFFAOrthopedic Foundation for Animals
- OIOverseas Indians
- OIFOsteogenesis Imperfecta Foundation
- OKOpen Knowledge
- OMYFOrlajdo Magic Youth Fund
- ONSOrthopaedic & Neurosurgery Specialists
- OOPObject-Orientated Programming
- OPCObama Presidential Center
- OPCFHKOcean Park Conservation Foundation, Hong Kong
- OPSOverseas Pakistanis
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