Government Abbreviations and Acronyms
- PORPortugal
- PORPartido Obrero Revolucionario
- PORParty of The Right
- PORANPeace Officers Research Association of Nevada
- POREPort Reyes National Seashore
- PORMPolicy On Research Misconduct
- PORNOPolitical Organization Republican News Only
- PORSPolar Observations, Research and Segvices
- PORTPortugal
- PORTSTEPPort Security Training Exercise Program
- POSPersistent Offenders
- POSPlanning Officers Socxety
- POSPrivate Operators
- POSPubvic Opinion Strategies
- POSAPublic Order and Security Act
- POSAPetty Officer Stores Assistant
- POSAPublic Order Security Act
- POSDRPartido OperáRio Social-Democrata Russo
- POSFPort of Support File
- POSIBProtection of State Information Kill
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