OMC
OMC stands for:
- Organization Mondiale du Commerce or Organización Mundial de Comercio = World Trade Organization (WTO) in Romance-speaking countries
- Operation and Maintenance Center
- OMC (band) , New Zealand pop band
- Outboard Marine Corporation , former American boat engine manufacturer
- Octyl methoxycinnamate ( octyl methoxycinnamate ), a UV filter
- Open Method of Coordination , a decision-making process used by the European Union
- Organization Mondiale Coiffure, world hairdressing association
- Open Music Contest , a free music competition under Creative Commons license
- OMC Ordo Militum Christi, an association of Christian officers
- Osho Meditation Center
