ORP

ORP may refer to:

• Operational Ration Pack, UK military
• Operational Readiness Plan
• Operational Readiness Platform (ORP)
• Orpington railway station, Bromley, England
• O'Reilly Raceway Park at Indianapolis
• Oxidation reduction potential in chemistry
• {{lang|pl|Okręt Rzeczypospolitej Polskiej}}, a Polish Navy ship prefix

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