AMSA

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