English abbreviations from mrp to mrsi
- MRP (Marla Airport)
- MRPharmS (Member of the Royal Pharmaceutical Society (Great Britain))
- MRPI (Metropolitan Research and Policy Institute)
- MRQ (Marinduque Airport)
- MRR (Maximum Rock and Roll)
- MRRG (Mississippi River Radio Group)
- MRRL (Michigan Rabbit Rescue League)
- MRRR (Mobility Requirement Resource Roster)
- MRRS (Mobile Remote Receiving System)
- MRS (multiple rocket system)
- MRSA (Methicillin-resistant Staphylococcus aureus)
- MRSD (Mathematically Rigorous Software Development)
- MRSEC (Materials Research Science and Engineering Center)
- MRSI (Multiple Round Simultaneous Impact)