EC3 can refer to:
People Ethan Carter III (EC3) (born 1983), American professional wrestler
Places EC3, a district in the London EC postcode area
Groups, organizations, companies European Cybercrime Centre EarthCheck, formerly EC3 Global; international tourism advisory group
Transportation BJEV EC3, a Chinese electric vehicle KUR EC3 class, a class of steam locomotive EC-3 radar, Italian WWII radar
Other uses Dolby Digital Plus, also known as EC-3 Hydrolase enzymes (EC 3); see List of EC numbers (EC 3) Eurocup-3, a formula racing series
See also
ECCC (disambiguation)