OLMC
| 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) |