VAAC stands for Valle Arriba Athletic Club (Venezuela)
VAAC stands for Volcanic Ash Advisory Center
VAAC stands for Vectored-thrust Aircraft Advanced Flight Control (active control technology research)
VAAC stands for Volvo Ambient Air Cleaner (Volvo vehicles)
VAAC stands for Veterans Affairs Advisory Committee (Washington)
VAAC stands for Viral Antigen-Antibody Complex
VAAC