| Acronym | Sense | Language | Topics |
|---|---|---|---|
| OMC | Organisation Mondiale du Commerce = MOK | Monda Organiz(aĵ)o pri Komerco | In Esperanto = MKO | Monda Komerca Organizaĵo | In Esperanto = WTO | World Trade Organization | In English |
In French | → International relations → Trade |
| OMC | OSS Merwesteijn Combinatie | In Dutch | → Organizations and associations → Sport, physical exercises |
| OMC | Office of Medical Computing | In English | → Computer science → Medicine |
| OMC | Office Municipal de la Culture | In French | → 351 |