MMSA may refer to:
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Malta Medical Students' Association, a student association in the University of Malta
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Master of Midwifery of the Society of Apothecaries, a qualification introduced in 1928
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Mercantile Marine Service Association
Nautilus International is an international trade union and professional association representing seafarers and allied workers, which is based in the United Kingdom, the Netherlands and Switzerland.
Organisation
The union's head office is in Londo ...
, a trade union 1857–1899, precursor of Nautilus International
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Midwest Military Simulation Association The Midwest Military Simulation Association (MMSA) is a group of wargamers and military figurine collectors active during the late 1960s and 1970s.
History
When wargaming was in its heyday and role-playing games were first developed, the group live ...
, an American group of wargamers
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