ETB

ETB may refer to:

Technology

 * ETB (company), a Colombian telecommunications company
 * Electric trolley bus
 * Electronic throttle body, in vehicles
 * End-of-Transmission-Block character, in computing
 * Engineering and Technology Board, now EngineeringUK, a UK organisation that promotes engineering
 * Ethernet Train Backbone, a train communication network

Other uses

 * Education and Training Board, a public body in Ireland
 * Endothelin B receptor, a protein
 * Equitorial Trust Bank, a Nigerian commercial bank
 * Etebi language of Nigeria
 * Ethiopian birr, the currency of Ethiopia
 * Euskal Telebista, a television network in the Basque Autonomous Community