MHAA

AcronymDefinition
MHAAMy Hero Academia Abridged (parody)
MHAAMental Health Association in Alaska
MHAAMid-Hudson Astronomy Association (New York)
MHAAMiniature Horse Association of Australia, Inc. (est.1989)
MHAAMental Health Act Administrator (National Health Service; UK)
MHAAMyanmar Health Assistant Association
MHAAManhours per Adjusted Admission (healthcare finance)
MHAAMiniature Horse Association of Arizona