MEB may refer to:
- Marine Expeditionary Brigade
- Maneuver Enhancement Brigade, a US Army support formation that is tasked to improve the movement capabilities and rear area security for commanders at division level or higher.
- Mario Excite Bike
- Meb Keflezighi, American long distance runner
- Microscopie électronique à balayage, the French acronym for Scanning electron microscope
- Midlands Electricity Board