Posted in Government & Military, Legal, Organizations, Schools & Education CASAC stands for Clean Air Scientific Advisory Committee CASAC stands for Credentialed Alcoholism and Substance Abuse Counselor CASAC stands for Canadian Association of Sexual Assault Centres (Vancouver, British Columbia, Canada) CASAC stands for Companies and Securities Advisory Committee (Australia) CASAC stands for Community Action and Support against Crime (UK) CASAC stands for Custody and Support Assistance Clinic (University of Pennsylvania; Philadelphia, PA) CASAC stands for Club Automovilístico Santiago AC (Portuguese: Automobile Club Santiago AC; Guadalajara, Mexico)