OMTC
| Acronym | Definition |
|---|---|
| OMTC | Off Main Thread Compositing (computing) |
| OMTC | Ontario Masonry Training Centre (Mississauga, Ontario, Canada) |
| OMTC | Ozark Mountain Technical Center (Mountain Grove, MO) |
| OMTC | Oswestry Musical Theatre Company (UK) |
| OMTC | Oman Mobile Telecommunications Company (est. 2004) |
| OMTC | Overall Mass Transfer Coefficient |
| OMTC | Orion Metal Trading Corporation (Vienna, VA) |