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
- Okręt Rzeczypospolitej Polskiej, a Polish Navy ship prefix
This disambiguation page lists articles associated with the title ORP.
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