Rp

RP, Rp, or rp may refer to:

Science and technology

• Rapid prototyping, a manufacturing and engineering process
• Rear projection, the projection of images from behind onto a translucent screen
• Red Phosphorus, a phosphorus allotrope
• Reflections Projections, an annual technology-related conference hosted by the University of Illinois at Urbana-Champaign of the Association for Computing Machinery
• Reverse phase, a term used in chromatography
• RP-3, a rocket projectile
• RP (complexity), randomized polynomial time, a class in computational complexity theory
• Mathematics
  • Real projective line
  • Real projective plane
  • Real projective space

Video games

• Rating Pending, the designation for a game that is in the process of being rated by the ESRB
• Red Pikmin, version of Pikmin that appears in Pikmin, Pikmin 2, and Super Smash Bros. Brawl

Medicine and biology

• Radical prostatectomy
• Retinitis pigmentosa

Military

US Army, RP- Relief in place, Rally Point, Release Point.

Sports

• Relief pitcher, a baseball term
• RP, a small nut (climbing) used for rock climbing, named after Rowland Pauligk

Law and courts

• Reporting Person or Party in U.S. Law enforcement jargon
• Registered Paralegal, see paralegal, a designation permitted after passing the PACE Exam (Paralegal Advance Competency Exam), a certification program offered by the National Federation of Paralegal Associations

Organizations

• Republic Polytechnic, a polytechnic in Singapore
• Membership of the Royal Society of Portrait Painters (London)

Business and finance

• Repurchase agreement
• Reservation price
• Rupee, the common name for the currencies used in several countries
• Rupiah, the official currency of Indonesia

People

• Robert Pattinson
• Ron Paul

Politics

Reform Party (Singapore), an opposition party in Singapore led by Kenneth Jeyaretnam.

• Welfare Party, or Refah Partisi in Turkish

Transportation

• Chautauqua Airlines, IATA airline designator

Places

• Republic of the Philippines
• Republic of Poland (Rzeczpospolita Polska)
• Résidence Palace
• Rhineland-Palatinate

Religion

• Reformed Presbyterian, a member of one of the Reformed Presbyterian Churches
• Religious Programs Specialist, Religious Program Specialist

Linguistics

• Received Pronunciation
• Rioplatense Spanish

Other uses

• Regulative principle (disambiguation)
• Role-playing, the changing of one's behaviour to assume a role
• Rocket Power, a cartoon (U.S.)
• Rp, in musical set theory