RPL
- Association of Public-Safety Communications Officials-International
- Nazi Party
- Plastic lumber
- RP 1 (disambiguation)
- RPI (disambiguation)
- RPL (IPv6 Routing Protocol for LLNs)
- RPL (programming language)
- Radical Party of Oleh Liashko
- Ramped Powered Lighter
- Raptor Lake
- Real-time Programming Language
- Reciprocal Public License
- Recognition of prior learning
- Remote Program Load
- Richmond Public Library (disambiguation)
- Russian Premier League