RSP
- Perennial sources list
- Progressive Social Networks
- RSP (band)
- Rail Settlement Plan
- Rana Sura Padakkama
- Rastriya Swatantra Party
- Receiving stolen property
- Recruit Sustainment Program
- Reform Socialist Party
- Remote SIM provisioning
- Repositories Support Project
- Reservestridsproviant
- Respirable suspended particle
- Respiratory syncytial virus
- Retail Service Provider
- Retirement Savings Plan
- Revolutionary Socialist Party (disambiguation)
- Rickey Shane Page
- Rising Sun Pictures
- Riverfront State Prison
- Rogers Sportsnet Pacific
- Role Swap Protocol
- Rourkela Steel Plant
- Rubber Soul Project