| N/B/M | Now By Marriage 
| Others |
| NBM | Nantier Beall Minoustchine
| Others |
| NBM | Narrowband Multiplexer
| Others |
| NBM | National Bank of Merchants
| Others |
| NBM | National Bank of Moldova
| Others |
| NBM | National Blend of Models
| Others |
| NBM | National Boards Meeting
| Others |
| NBM | National Bottle Museum
| Others |
| NBM | National Breastfeeding Month
| Others |
| NBM | National Briefing Model
| Others |
| NBM | National Broadband Map
| Others |
| NBM | National Building Museum
| Others |
| NBM | National Business Media
| Others |
| NBM | Natural Beat Makerz
| Others |
| NBM | Natural Body Magic
| Others |
| NBM | Navy Blue Metallic
| Others |
| NBM | Naza Brabus Motor
| Others |
| NBM | Neal Bates Motorsport
| Others |
| NBM | Needs Beyond Medicine
| Others |
| NBM | Neighborhood Based Mobility
| Others |
| NBM | Neo Black Movement
| Others |
| NBM | Network and Bandwidth Manager
| Others |
| NBM | Network Based Method
| Others |
| NBM | Network Based Mobility
| Others |
| NBM | Never Been Married
| Others |
| NBM | New Brunswick Museum
| Others |
| NBM | New Bus Model
| Others |
| NBM | New Business Media
| Others |
| NBM | New Business Models
| Others |
| NBM | Nihilist black metal
| Others |
| NBM | Nil But Medicines
| Others |
| NBM | Nil by Mouth
| Others |
| NBM | No Bloody Meals
| Others |
| NBM | No Bowel Movement
| Others |
| NBM | Nodal Bandwidth Manager
| Others |
| NBM | Nomenclatura Brasileira de Mercadorias
| Others |
| NBM | Non Blocking Multicast
| Others |
| NBM | Norfolk Bristol Middlesex
| Others |
| NBM | North Base Media
| Others |
| NBM | Northern Business Machines
| Others |
| NBM | Notebook Manager
| Others |
| NBM | Nothing by mouth
| Others |
| NBM | Novell Border Manager
| Others |
| NBM | Novell BorderManager
| Others |
| NBM | November Business Meetings
| Others |
| NBM | Nucleus Basalis Magnocellularis
| Others |
| NBM | Nucleus Basalis of Meynert
| Others |
| NBM | Number of Basis Matrices
| Others |