| MEMC | Marine Ecological Modelling Centre 
| Others |
| MEMC | Marriage Encounter Movement of California
| Others |
| MEMC | Medieval and Early Modern Centre
| Others |
| MEMC | Mediterranean Emergency Medicine Congress
| Others |
| MEMC | Metro East Marching Classic
| Others |
| MEMC | Metropolitan Emergency Managers Committee
| Others |
| MEMC | Middle East Maritime Consultants
| Others |
| MEMC | Mineral Exploration and Mining Company
| Others |
| MEMC | Missions and Extended Ministries Committee
| Others |
| MEMC | Monsanto Electronic Materials Company
| Others |
| MEMC | Motion Estimate Motion Compensate
| Others |
| MEMC | Motion Estimation And Motion Compensation
| Others |
| MEMC | Motion Estimation Motion Compensation
| Others |
| MEMC | Mount Elizabeth Medical Centre
| Others |
| MEMC | Mt Eden Medical Centre
| Others |
| MEMC | Mt Edgecumbe Medical Center
| Others |
| MEMC | Myvi Empire Motorsport Club
| Others |