Look up GMB in Wiktionary, the free dictionary.
GMB may stand for:
GMB Publishing, a London based publishing company,
GMB (trade union), a UK trade union,
Gattamaneni Mahesh Babu, a popular Indian film actor who works in Tollywood,
George Michael Bluth, a fictional character on the television show Arrested Development,
Graduates Memorial Building at Trinity College, Dublin,
Grimsby Town railway station, referred to by the National Rail code GMB,
Grain Marketing Board,
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