| (IMRS) | Integrated Medical and Rehabilitation Services 
| Others |
| IMRS | Ideo Motor Responses sometimes
| Others |
| IMRS | Insight Market Research Solutions
| Others |
| IMRS | Institute of Medieval and Renaissance Studies (Durham University)
| Others |
| IMRS | Intel Market Ready Solutions
| Others |
| IMRS | Intelligent Magnetic Resonance Stimulation
| Others |
| IMRS | Interactive Message Response System
| Others |
| IMRS | International Management Reporting Services
| Others |
| IMRS | International Mathematics Research Surveys
| Others |
| IMRS | Irish Missionary Resource Service
| Others |
| IMRS | Issue Management Resolution System
| Others |
| IMRS | Issue Management Resolution System (IRS)
| Others |