OSIM
| Acronym | Definition |
|---|---|
| OSIM | Open Systems Implementation and Migration |
| OSIM | Open Source in Mobile |
| OSIM | Oficiul de Stat pentru Inventii si Marci (Romania) |
| OSIM | Ontario Structure Inspection Manual (engineering safety standards; Canada) |
| OSIM | Oh Shoot It's Monday |
| OSIM | Open Society Institute Macedonia (Skopje, Macedonia) |
| OSIM | Organizations, Strategy and International Management (University of Texas at Dallas; Richardson, TX) |
| OSIM | Online Social-Interactive Media |