ETC
- Cadillac ETC
- ETC (Chilean TV channel)
- ETC (Philippine TV channel)
- ETC Group (eco-justice)
- ETCS
- Eastside Transit Corridor
- Electric Telegraph Company
- Electron transport chain
- Electronic art
- Electronic throttle control
- Electronic toll collection
- Electrothermal-chemical technology
- Encyclopedia of Triangle Centers
- Entertainment Technology Center
- Equipment trust certificate
- Ericsson Texture Compression
- Etc (band)
- Etcetera (disambiguation)
- Etchingham railway station
- Ethereum Classic
- Ethiopian Telecommunications Corporation
- European Technical Center
- European Travel Commission
- Exchange-traded fund
- Experimental Television Center
- Experimental Theatre Club
- Expressive therapies continuum
- Extraterrestrial technological civilization
- Extratropical cyclone
- Tz database
- Unix file system
- Zee ETC Bollywood