PRP may refer to:
Places
- People's Republic of Poland, 1952-1990
- Pleasure Ridge Park, Louisville, in Kentucky, United States
Medicine and biology
- Panretinal photocoagulation, a treatment for proliferative diabetic retinopathy
- Penicillin-resistant pneumococci, a Streptococcus species resistant to antibiotics
- Pityriasis rubra pilaris, a rare skin disorder
- Platelet-rich plasma, enriched blood plasma
- Prion protein, a major constituent of the infectious prion
- Progressive rubella panencephalitis, a viral neurological disorder
- Proline rich proteins, a class of intrinsically unstructured proteins
- Psychological refractory period, a period between processing multiple stimuli
Mathematics and science
- Probable prime, a number that satisfies some requirements for prime numbers
- Parallel Redundancy Protocol, a network protocol providing fault-tolerance
- Pseudorandom permutation, a class of functions in cryptography
- Petroleum Remediation Product, a substance for cleaning petroleum-based pollution
Organizations
- Press Recognition Panel, a UK body relating to the recognition of press regulators
- Peel Regional Police, in Ontario, Canada
- Park Royal Partnership, an industrial partnership in London
- Puerto Rico Police
Political parties
- Praja Rajyam Party, in India between 2008-2011
- Progressive Reform Party (South Africa), between 1975-1977
- Portuguese Republican Party, between 1876-1911
- Progressive Reform Party (Suriname), in South America
- Patriotic Renewal Party, in Honduras between 1990-1992
- People's Reconciliation Party in Burundi, Africa
- People's Reform Party in the Philippines
- Progressive Republican Party (Brazil)
Other uses
- Performance-related pay, money paid relating to how well one works
- Personnel Reliability Program, psychological evaluation of US DoD personnel
- Potentially responsible party, a possible polluter who may be held liable
- Professional registered parliamentarian, a person capable of applying parliamentary procedures