| Acronym | Definition |
|---|
| MCN | Motorcycle News (magazine) |
| MCN | Maternal Child Nursing |
| MCN | American Journal of Maternal/Child Nursing |
| MCN | Migrant Clinicians Network |
| MCN | Minocycline (tetracycline type antibiotic) |
| MCN | Minnesota Council of Nonprofits |
| MCN | Motorcycle Consumer News |
| MCN | Molecular and Cellular Neuroscience |
| MCN | Medizinische Congressorganisation Nürnberg |
| MCN | Missed Call Notification |
| MCN | Movimiento Comunal Nicaragüense (Spanish: Nicaraguan Communal Movement) |
| MCN | Metropolitan Campus Network |
| MCN | Metal Construction News (monthly magazine) |
| MCN | Micro Cellular Network |
| MCN | Management Control Number |
| MCN | Macon, GA, USA - Lewis B Wilson (Airport Code) |
| MCN | Mississippi Center for Nonprofits |
| MCN | Minimal Change Nephropathy |
| MCN | Multi-Hop Cellular Network |
| MCN | Movimiento Cívico Nacional (Spanish: National Civic Movement; Guatemala) |
| MCN | Master Customer Number |
| MCN | Military Construction, Navy |
| MCN | Multipoint Command Negating MCS |
| MCN | Multiple Crossbar Network |
| MCN | Main Communications Node (US Army) |
| MCN | Matching Composition Network |
| MCN | Multiservice Carrier Node (Marconi) |
| MCN | Maintenance Connector Network |
| MCN | Material Control Number |
| MCN | Master Control/Center Number |
| MCN | Mobile Communications Unit |
| MCN | MSE Circuit Network |
| MCN | Mylius Consulting Network |
| MCN | Minimum Critical Number |
| MCN | Muscle Car Network |
| MCN | Myers Center Network |
| MCN | Management of Change (Sigma-Aldrich Fine Chemicals Corporation) |
| MCN | Minifig Customization Network |
| MCN | Mandatory Convertible Note (finance) |
| MCN | Multiple and Complex Needs (Scotland; UK) |
| MCN | Modern Cloth Nappy |
| MCN | Muscogee Creek Nation (Native American tribe; Okmulgee, OK) |
| MCN | Multi Channel Network (Australia) |