ETC can refer to:

• Electronic toll collection
• Electronic throttle control
• Estimated Time of/to Completion
• Et cetera
• Electronic Theatre Controls
• Electron transport chain in mitochondria responsible for creating a proton gradient that allows the formation of ATP.
• ATM card service by HSBC and Hang Seng Bank only for withdrawal of money from bank account
• Electrothermal-Chemical technology being investigated to provide the next generation of tank main guns.
• Entertainment Technology Center, an academic research organization at Carnegie Mellon University
• Evolution Time Critical Emergency logistics for the automotive industry
• ETC Entertainment Central, TV station in the Philippines, owned by Solar Entertainment Corporation
• Ethiopian Telecommunication Corporation, Sole Telecommunication service provider in Ethiopia.
• Emergency and Trauma centre, The Emergency Medical Service centre of India

See also:

• The /etc directory in Unix and Unix-like systems.

ETC