EMB may refer to:
Organizations Education and Manpower Bureau, now the Education Bureau, a government agency in Hong Kong Empire Marketing Board, a former British trade organization Evangelical Mennonite Brethren, now the Fellowship of Evangelical Bible Churches European Milk Board, a trade organization European Movement Belgium, the Belgian branch of the International European Movement Evangelische Michaelsbruderschaft, a German Lutheran religious brotherhood
Science and technology Electromagnetic buoyancy Embraer, a Brazilian aerospace conglomerate Embreea, an orchid genus Eosin methylene blue, a selective stain for Gram-negative bacteria Ethambutol, a drug used to treat tuberculosis Louis Emberger (1897–1969), French botanist
Other uses Embaloh language EMB or Embarcadero Plaza, formerly known as Justin Herman Plaza in San Francisco, a hotspot for street skateboarding in the early 1990s.