RMF
- Beatnik (company)
- Eclipse Foundation
- Finnish Kalo language
- International Air Transport Association
- Marsa Alam International Airport
- RMF FM
- Recover My Files
- Reed–Muller canonical form
- Requirements Modeling Framework
- Resource Measurement Facility
- Rheingau Musik Festival
- Rhodes Must Fall
- Risk Management Framework
- Romford railway station
- Rotating magnetic field
- Royal Munster Fusiliers
- Royal Munster Fusiliers (New Army)
- Royal Munster Fusiliers (Reserves)