EMB may refer to:
In organizations:
- Education and Manpower Bureau a government agency in Hong Kong (also to its predecessor the Education and Manpower Branch)
- Election management body, a type of authority charged with administering an electoral process
- Empire Marketing Board, a former trade organization
- Evangelical Mennonite Brethren, see Fellowship of Evangelical Bible Churches
- Evangelische Michaelsbruderschaft, German Lutheran religious brotherhood
In science and technology:
- Earth-Moon barycenter, the center of mass of the Earth-Moon system
- Electro-mechanical battery, a device to store energy
- Enterprise Media Bean, a type of Java object
- Embreea, an orchid genus
- Eosin methylene blue, a selective stain for Gram-negative bacteria
In medicine:
- Endometrial biopsy, method of obtaining a cell sample from the uterus
- Ethambutol, a drug used to treat tuberculosis
In music:
- "Eric Martin Band"
In other:
- A series of aircraft built by Embraer
- The Philadelphia Eagles Message Board
- Eliza Manningham-Buller, Baroness Manningham-Buller, former Director-General of MI5 in the United Kingdom