RP, R-P, Rp, R-p, or rp may refer to:

Look up rp in Wiktionary, the free dictionary.

Businesses and organizations

• Rainforest Partnership, an environmental organization based in Austin, Texas
• RallyPoint, a social network for the US military
• Reform Party (Singapore), an opposition party in Singapore led by Kenneth Jeyaretnam
• Republic Polytechnic, a polytechnic in Singapore
• Rheinische Post, a German newspaper
• Rhône-Poulenc, a former French chemical company
• Royal Society of Portrait Painters (London), with membership indicated RP
• Roma Party (Romska partija), a political party in Serbia
• Welfare Party, or Refah Partisi, in Turkey
• Chautauqua Airlines (IATA airline designator RP)
• Registered Plumber, in UK

Economics and finance

• Repurchase agreement, the sale of securities together with an agreement for the seller to buy back the securities at a later date
• Reservation price, the highest price a buyer is willing to pay for goods or a service
• Rupee, common name for the currencies of several countries
• Rupiah, the official currency of Indonesia

Language

• Received Pronunciation, a standard accent of Standard English in the United Kingdom
• Rioplatense Spanish, a dialect spoken in parts of Argentina and Uruguay

Places

• Republic of the Philippines (former two-letter country code)
• Republic of Poland (Rzeczpospolita Polska)
• Rhineland-Palatinate, one of sixteen German states
• Région Parisienne or Île-de-France, the area surrounding Paris, France

Religion

• Reformed Presbyterian Church (disambiguation)
• Regulative principle of worship, a Calvinist and Anabaptist principle
• Religious Programs Specialist
• Retribution principle (RP)

Science, technology, and mathematics

Biology and medicine

• Radical prostatectomy
• Raynaud's phenomenon
• Retinitis pigmentosa
• Medical prescription from Latin, also Rp/.

Mathematics

• RP (complexity), randomized polynomial time, a class in computational complexity theory
• Ranked Pairs, a Condorcet voting method
• Real projective line
• Real projective plane
• Real projective space

Other uses in science and technology

• Rapid prototyping, a manufacturing and engineering process
• Rear projection effect, a film technique
• Red phosphorus, an allotrope of the element
• Rendezvous Point in Protocol Independent Multicast, a collection of network layer multicast routing protocols
• Reversed-phase chromatography, a laboratory technique
• Route Processor, a general-purpose CPU in some Cisco routers
• RP, a small rock climbing nut, named after Roland Pauligk
• RP-1, a rocket propellant
• RP-3, a British rocket projectile in World War II

Other uses

• Relief pitcher, a baseball term
• Registered Paralegal, a certification program of the National Federation of Paralegal Associations
• Riot Points (used in League of Legends)
• Regimental Police or Regimental Provost, soldiers responsible for regimental discipline and unit custody in the British Army
• Reporting Person or Party, in U.S. law enforcement jargon
• Registered Psychotherapist within Ontario
• Role-playing
• Rating Pending, a rating used by ESRB in promotional games that has lacked a rating.

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