| Acronym | Definition |
|---|
| MNO➣Mobile Network Operator (wireless telecommunications) |
| MNO➣Magnetic North Orchestra (est. 1992) |
| MNO➣Manganese Oxide |
| MNO➣Mcafee Network Optimization |
| MNO➣Mobile Network Operator |
| MNO➣Macromedia Design Notes |
| MNO➣MusicaNova Orchestra (est. 2003) |
| MNO➣Mom's Night Out |
| MNO➣Multinational Organization |
| MNO➣Macromedia Design Notes (file extension) |
| MNO➣Merlin Network One |
| MNO➣Money No Object |
| MNO➣Muslimanska Narodna Organizacija (Croatian: Muslim National Organization; political party) |
| MNO➣Muonio (Finland) |
| MNO➣Midnight Order (gaming clan) |
| MNO➣Master of Non-profit Organizations |
| MNO➣Multimedia Network Operator |
| MNO➣Managed Network Operations |