The British Rail Class 374, also referred to as the Eurostar e320, is a type of electric multiple unit passenger train used on Eurostar services through the Channel Tunnel to serve destinations beyond the core routes to Paris and Brussels. They began to run passenger services in November 2015. The trains, owned by Eurostar International Limited, are sixteen-coach versions of the Siemens Velaro. Each train is 390.2 m (1,280 ft) long. The trains are compliant with the Technical Specifications for Interoperability (TSI).

Eurostar is an international high-speed rail service in Western Europe, connecting Belgium, France, Germany, the Netherlands and the United Kingdom.