Ottawa station, or Ottawa Train Station, is the main inter-city train station in Ottawa, Ontario, Canada, the capital of Canada. It is operated by Via Rail. It is located 4 kilometres (2.5 mi) east of downtown Ottawa and adjacent to Tremblay O-Train station in the neighbourhood of Eastway Gardens. The station serves inter-city trains connecting to Toronto, Kingston, Montreal and Quebec City on Via Rail's Corridor Route.

Tremblay is an O-Train station on the Confederation Line in Ottawa, Ontario which serves the Ottawa train station, connecting to Via Rail Corridor inter-city rail services and a daily Ontario Northland bus service to Sudbury and Sault Ste. Marie. The station opened on September 14, 2019 to replace the former Transitway bus rapid transit station known as Train Station.