Media Abbreviations and Acronyms
- ORXOperational Receivee
- ORXOperational Receiver
- OSAOfficial Secret Act
- OSBEThe Organization of State Broadcasting Executives
- OSCOpen Sound Control
- OSDOrder for Snapes Defence
- OSDLObject-Oriented Simple Directmedia Lager
- OSEOriginal Special Edition
- OSFOld Style Figures
- OSIFOh Hh** I Forgot
- OSINTOTOh Sh** I Never Thought of That
- OSMOpen Standard Media
- OSNOrion Syndicate Network
- OSQOpem Source Quarterly
- OSROut Station Reporter
- OSRTCOntario Sound Recording Tax Credit
- OSTOriginal Soundtrack The
- OSWOpen Systems World
- OTOther Topic
- OTBOnly The Brave
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