| Acronym | Definition |
|---|
| NM | New Mexico (US postal abbreviation) |
| NM | Nautical Mile (6,080 feet) |
| NM | Never Mind |
| NM | Not Meaningful |
| NM | Network Module |
| NM | Near Mint |
| NM | Nuclear Medicine |
| NM | No Matter |
| NM | National Monument (Park Service) |
| NM | Network Manager |
| NM | Not Much |
| NM | Network Management |
| NM | Nature Medicine |
| NM | Northern Michigan |
| NM | Nicki Minaj (musician) |
| NM | Nightmare (gaming) |
| NM | New Millennium (NASA) |
| NM | Night Moves (Tom Clancy novel) |
| NM | New Moon |
| NM | Nanometer |
| NM | No More |
| NM | No Mercy (wrestling event) |
| NM | Neuromuscular |
| NM | Nelson Mandela |
| NM | Northwestern Memorial (Chicago, IL) |
| NM | National Match (rifle) |
| NM | Not Marked |
| NM | Not Measured |
| NM | Nanomolar |
| NM | Nuclear Materials |
| NM | Nuestro Mundo (Spanish: Our World; various locations) |
| NM | Nonmetallic |
| NM | New Man |
| NM | National Merit (scholarship) |
| NM | Niccolo Machiavelli (author) |
| NM | NetMeeting (Microsoft) |
| NM | Net Metering (energy installations) |
| NM | Near Miss |
| NM | Nunca Mais (Galician: Not Again, political group) |
| NM | Narcissistic Mother |
| NM | Numerical Method(s) |
| NM | Naval Magazine (US Navy) |
| NM | Neutrophil Migration |
| NM | Negra Modelo (beer) |
| NM | Newton Meter |
| NM | Nothing Much |
| NM | Necesita Mejorar (Spanish: Needs Improvement) |
| NM | Notorious Monster (Final Fantasy XI gaming) |
| NM | Newtonian Mechanics |
| NM | Nemaline Myopathy |
| NM | Noise Monitoring |
| NM | Nice Move (online gaming) |
| NM | No Migration |
| NM | Net Manager |
| NM | Navigation Module |
| NM | Neighbourhood Management |
| NM | Nice Match (online gaming) |
| NM | No Mark |
| NM | Night Message |
| NM | Noregs Mållag |
| NM | Neomail (Neopets) |
| NM | National Means |
| NM | Nablus Municipality (Palestine) |
| NM | No Molestar (Marco Antonio Solis CD) |
| NM | Normal Meter |
| NM | Noise Media (band) |
| NM | Noyce and Moore (NM Electronics; pre-Intel Company named for founders Robert Noyce and Gordon Moore) |
| NM | Needless Markup |
| NM | Nice Moon (card game Hearts) |
| NM | Noites Marcianas (Portuguese Talk Show) |
| NM | Normal Manifold |
| NM | No Materia (gaming) |
| NM | Nonaka Myopathy |
| NM | Nitronium Perchlorate |
| NM | NanoKiero Media (Canadian media company) |
| NM | Nudist Meeting |
| NM | Non-Overlapping Multi-Carrier |
| NM | No Message character |