RCP
- Communist Party of the Soviet Union
- International Reactor Innovative and Secure
- RCP (chip)
- RCP Design Global
- RIT Capital Partners
- Radio Club Paraguayo
- Radio Club Peruano
- Radio Corporation of the Philippines
- Random close pack
- Rapid control prototyping
- RealClearPolitics
- Reinforced concrete pipe
- Representative Concentration Pathways
- Respiratory Care Practitioner
- Restore Cursor Position (ANSI)
- Retention Control Point
- Retrograde cholangiopancreatography
- Revolutionary Communist Party (disambiguation)
- Rich Client Platform
- Rochester Community Players
- Romanian Communist Party
- Rose City Park, Portland, Oregon
- Royal College of Physicians
- Royal Commonwealth Pool
- Rádio Clube Português