NBM may refer to:
- Nil by mouth, a UK medical instruction
- NBM Publishing, a publisher of graphic novels
- National Building Museum in Washington, DC
- Nuestra Belleza México, national beauty pageant of Mexico
- Basal nucleus of meynert, a nucleus of nerve cells in the brain
- NetBeans Module, a software component for the NetBeans platform
- New Buffalo (Amtrak station), Michigan, United States; Amtrak station code NBM
- NAMCO BANDAI Mirai-Kenkyusho
- New Britain masked-owl (Tyto aurantia)
- Narrow-footed bristly mouse (Neacomys tenuipes)
- National Bird-Feeding Month
- NBM Railways, Canadian railway company