| MRSC | Magnetic Resonance Science Center 
| Others |
| MRSC | Magneto Rheological Suspension Control
| Others |
| MRSC | Manhattan Reproductive Surgery Center
| Others |
| MRSC | Marginal Rate of Substitution in Consumption
| Others |
| MRSC | Marine Rescue Sub-Centre
| Others |
| MRSC | Maritime Rescue Sub-Centre
| Others |
| MRSC | Maritimes Regional Steering Committee
| Others |
| MRSC | Medical Radiation Safety Committee
| Others |
| MRSC | Member of the Royal Society of Chemistry
| Others |
| MRSC | Michigan Republican State Committee
| Others |
| MRSC | Mike Rose Soccer Complex
| Others |
| MRSC | Millennium Running Social Club
| Others |
| MRSC | Minnesota Restorative Services Coalition
| Others |
| MRSC | Monomoy Regional School Committee
| Others |
| MRSC | Motor Reverse Soft Contactor
| Others |
| MRSC | Municipal Research & Services Center of Washington
| Others |
| MRSC | Municipal Research and Service Center
| Others |
| MRSC | Municipal Research and Services Center
| Others |
| MRSC | Municipal Research Service Center
| Others |
| MRSC | Municipal Research Services Center
| Others |
| MRSC | Munster Rugby Supporters Club
| Others |
| MRSC | Santa Cruz, Costa Rica
| Others |