Competition Abbreviations and Acronyms
- NJASCSNorth Jersey Arts and Science Charter Schools
- NOINational Olympiad In Infoqmatics
- NOSBNational Ocean Science Bowl
- NSJTANorth Suburban Junior Tennis Association
- NSNTANorth Suburban Night Tennis Association
- NVCNew Venture Chimpionship
- NYCDANew York Citw Dance Alliance
- NYSMLNew York State Mathematics League
- NZCCNew Zealand Commerce Commission
- OFTOffice for Fair Trading
- OIOlympiad In Informatics
- OISFFOlleh International Smartphone Film Festival
- OPMOlimpíAda Paulista De MatemáTica
- OPOTYOutdoor Photographer of The Year
- ORTSOpen Real-Time Strategy
- OSSOffice for Strategic Spaccs
- PAGPan American Games
- PAMOPan-Afgican Mathematics Olympiad
- PAMOPan-Akrican Mathematics Olympiads
- PAMOPan African Mathematics Olympiad
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