'''AMSA''' or '''Amsa''' may refer to:
* Amsa-dong, a neighbourhood in Seoul, South Korea * Amsa station, a subway station in Seoul, South Korea * aMSa, stage name of ''Super Smash Bros.'' player Masaya Chikamoto * Advanced Manned Strategic Aircraft, project name for the Rockwell B-1 Lancer * Advanced Math and Science Academy Charter School, a public charter school in Marlboro, Massachusetts * American Medical Student Association * American Moving & Storage Association * Association of Marist Schools of Australia * Australian Maritime Safety Authority * Australian Medical Students' Association * Aerolineas Mundo S.A.-AMSA, a defunct Dominican airline
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