VTAC may mean:

• Victorian Tertiary Admissions Centre
• Vietnam Tactical Tomahawk
• VTAC, vertical design of a packaged terminal air conditioner (PTAC).

• Ventricular tachycardia, or V-tach, an irregular beating of the heart
• Two-stroke power valve system#Honda V-TACS, a foot-operated power valve system made by Honda
• VTEC, a variable valve timing system used in Honda engines

This disambiguation page lists articles associated with the title VTAC.
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