CTAS may refer to:
Medicine Canadian Triage and Acuity Scale Compulsive Tool Acquisition Syndrome, also known as Gear Acquisition Syndrome
Military case telescoped ammunition system, a type of telescoped ammunition Case Telescoped Armament System, a product of CTA International
Other uses Cintas (stock ticker: CTAS), U.S. safety and cleaning equipment company Data Definition Language: Create Table as Select
See also
CTA (disambiguation), for the singular of CTAs