MSAC Views 6 meanings found MSAC can refer to a major aquatic sports facility in Melbourne, a medical situational‑awareness system, a collegiate association membership, or advisory committees in health and regional planning. Medical Maternity Services Advisory Committee Medical Services Advisory Committee Governmental Medical Situational Awareness and Control Academic & Science Member of Stonebridge Associated Colleges Association Regional Sonsonate-Acajutla, El Salvador Sports Melbourne Sports Aquatic Centre