| Acronym | Definition |
|---|
| MRCO➣Medical Regulating Control Officer |
| MRCO➣Michel Ruel Conseil Operationnel (French: Michel Ruel Operational Consulting) |
| MRCO➣Manufacturing Research Corporation of Ontario (Canada) |
| MRCO➣Member of the Royal College of Ophthalmologists (UK) |
| MRCO➣Millwrights Regional Council of Ontario (Canada) |