RP
- Chautauqua Airlines
- Entertainment Software Rating Board
- Indonesian rupiah
- League of Legends
- Medical prescription
- Nine Media Corporation
- Paralegal
- Philippines
- Protocol Independent Multicast
- RP (complexity)
- RP-1
- RP-3
- RPTV (TV channel)
- Radical prostatectomy
- Radio Philippines Network
- Rainforest Partnership
- RallyPoint
- Ranked Pairs
- Rapid prototyping
- Raynaud's phenomenon
- Real projective line
- Real projective plane
- Real projective space
- Rear projection effect
- Received Pronunciation
- Reform Party (Singapore)
- Reformed Presbyterian Church (disambiguation)
- Regimental Police
- Regulative principle of worship
- Relief pitcher
- Religious Programs Specialist
- Republic Polytechnic
- Republic of Poland
- Republic of the Philippines
- Repurchase agreement
- Reservation price
- Retinitis pigmentosa
- Retribution principle
- Reversed-phase chromatography
- Rheinische Post
- Rhineland-Palatinate
- Rhône-Poulenc
- Rioplatense Spanish
- Role-playing
- Roma Party
- Royal Society of Portrait Painters
- Rupee
- TV5 Network
- Welfare Party
- Île-de-France