MNPL
| Acronym | Definition |
|---|---|
| MNPL | Machinists Non-Partisan Political League (est. 1947) |
| MNPL | Maximum Net Productivity Level |
| MNPL | Marlborough Nickel Pty. Ltd. (Gladstone Pacific Nickel Limited subsidiary) |
| MNPL | Master in Not-for-Profit Leadership (Seattle, WA) |
| MNPL | Michael Nivison Public Library (Cloudcroft, NM) |