High-speed rail in Belgium

system of high-speed trains predominantly running in Germany and its surrounding countries

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

Thalys (French: ) was a brand name used for high-speed train services between Paris Gare du Nord and both Amsterdam Centraal and German cities in the Rhein-Ruhr, including Aachen, Cologne, Düsseldorf, Duisburg, Essen and Dortmund, both via Brussels-South.

Fyra () was a short-lived international high-speed rail service between the Netherlands and Belgium using the AnsaldoBreda V250 train. The service used the HSL-Zuid and HSL 4 railway lines to connect Amsterdam, Schiphol Airport, Rotterdam, Antwerp and Brussels. It operated for a mere 6 weeks around the New year of 2013, before continuous technical difficulties forced its suspension. It was permanently halted due to reliability and safety concerns.

Izy () was a low-cost train service between Brussels and Paris. Services started on 3 April 2016, and ended on 10 July 2022.