| Acronym | Definition |
|---|
| MCNA➣Manitoba Community Newspapers Association (Canada) |
| MCNA➣Mid-Cambridge Neighborhood Association (Cambridge, Massachusetts) |
| MCNA➣Medical Clinics of North America |
| MCNA➣Managed Care of North America, Inc. |
| MCNA➣Mobile Communication Network Architecture |
| MCNA➣Muslim Children of North America |
| MCNA➣Microsoft Certified Network Administrator |
| MCNA➣Middlesex County Netball Association (UK) |
| MCNA➣Missouri College Newspaper Association |
| MCNA➣Middle City Neighborhood Association (Niagara Falls, New York) |
| MCNA➣Monte Carlo NCD Analogue |
| MCNA➣McGlaughlin Corridor Neighborhood Association (California) |
| MCNA➣Municipal Corporation of Narela |