ATC is an abbreviation of:

• Agreement on Textiles and Clothing
• Air traffic control
• Air Training Corps
• All-terrain (motor)cycle - see all-terrain vehicle
• All Things Considered, a news show on National Public Radio in the United States.
• American Thermoplastic Company
• Anatomical Therapeutic Chemical Classification System
• Artist trading cards
• ATC, the pop band
• Automatic traction control
• Automatic train control
• Argentina Televisora Color Argentina's statal TV station.