| Acronym | Definition |
|---|
| OLMC➣Our Lady of Mount Carmel (Canadian high school) |
| OLMC➣Output Logic Macro Cell |
| OLMC➣Our Lady of Mercy College (est. 1910; Heidelberg, Victoria, Australia) |
| OLMC➣Output Logic Macrocell |
| OLMC➣Official Language Minority Community (Canada) |
| OLMC➣Organic Livestock Marketing Co-Operative (UK) |
| OLMC➣On-Line Medical Command (emergency medicine) |