RP, R-P, Rp, R-p, or rp may refer to:
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, the IATA airline designator RP
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 TV channels
RPTV, a free-to-air channel in the Philippines. Joint venture with Radio Philippines Network (RPN), Nine Media Corporation (NMC), and TV5 Network, Inc.
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 () 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 program 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 Role-playing Rating Pending, a rating used by ESRB in promotional games that has lacked a rating.