Waterloo railway station (French: Gare de Waterloo; Dutch: Station Waterloo) is a railway station in Waterloo, Walloon Brabant, Belgium. The station opened on 1 February 1874 and is located on railway line 124. The train services are operated by the National Railway Company of Belgium (SNCB/NMBS).

The station is large, with platforms able to accommodate trains much longer than any currently scheduled to operate to (or through) the station. It is fully staffed, with the booking office open seven days a week.

The railway line between Nivelles–Waterloo–Linkebeek (south of Brussels) is currently being enlarged to allow a higher frequency of local and intercity trains.

There is at least one train every hour in each direction at Waterloo. The station is served by the following services:

• Intercity services (IC-27) Brussels Airport - Brussels-Luxembourg - Nivelles - Charleroi (weekdays)
• Brussels RER services (S1) Antwerp - Mechelen - Brussels - Waterloo - Nivelles (weekdays)
• Brussels RER services (S1) Brussels - Waterloo - Nivelles (weekends)
• Brussels RER services (S9) Leuven - Brussels-Luxembourg - Etterbeek - Braine-l'Alleud (weekdays)

Preceding station	NMBS/SNCB			Following station
Sint-Genesius-Rode towards Brussels National Airport		IC 27 weekdays		Braine-l'Alleud towards Charleroi-Sud
De Hoek towards Antwerpen-Centraal		S 1 weekdays		Braine-l'Alleud towards Nivelles
De Hoek towards Bruxelles-Nord / Brussel-Noord		S 1 weekends
Sint-Genesius-Rode towards Leuven		S 9 weekdays		Braine-l'Alleud Terminus

• 
  View of the platforms and tracks
• 
  Place name sign on a platform

• List of railway stations in Belgium
• Rail transport in Belgium

• Media related to Waterloo train station at Wikimedia Commons