Posted in Business & Finance, Government & Military, Health & Medicine AAMG stands for Ambient Air Monitoring Group (US EPA) AAMG stands for Antiaircraft Machine Gun AAMG stands for American Asset Management Group (est. 1984; Rockville, MD) AAMG stands for Association of Academic Museums and Galleries (est. 1980) AAMG stands for Asociación Amigos de Los Niños (Association of Friends of the Children, Guatemala)