Railway companies of Quebec

List of railway companies in the Canadian province of Quebec.

Companies based in Canada

 * Canadian National Railway (CN), freight
 * Canadian Pacific Railway (CP), freight
 * Société des Chemins de Fer du Québec (SCFQ), freight and passenger
 * VIA Rail (VIA), interprovincial passenger on CN and CP lines

Companies based outside of Canada

 * Conrail (CR), US, freight and passenger
 * New York Western Railroad (NYW), US, freight
 * Amtrak (AMTK), US, some international passenger services

Regional railways

 * Chemin de Fer Cartier (CFC)
 * Quebec North Shore and Labrador Railway (QNSL), freight and passenger
 * Ontario Northland Railway (ONT), freight
 * Réseau de Transport Métropolitain (RTM), passenger
 * St Lawrence & Atlantic Railroad (SLR, SLQ), US, freight

Shortline and terminal railways

 * Bloom Lake Railway (BLRC), freight
 * Knob Lake & Timmins Railway (KLT), freight
 * Chemin de fer Arnaud (ARND), freight
 * Chemin de fer Lanaudière (CFL), freight
 * Chemin de fer du Port de Montréal (CFPM), freight
 * Compagnie de gestion de Matane (CGMA), freight
 * Ottawa Valley Railway (OVYR), freight

Compagnie de gestion de Matane (COGEMA) operate rail ferry services between Matane and Baie-Comeau, Port Cartier, Sept-Îles and Havre-Saint-Pierre. It also operates industrial switching to rail customers in Baie-Comeau.

Defunct railways
Years shown here refer to the period in which a given company operated in Quebec; they may have existed elsewhere before or after these years.