Railway companies of Labrador

List of railway companies the Canadian province of Labrador.

Class I railways

 * Québec Railways (SCFQ), freight and passenger

Regional railways

 * Quebec North Shore & Labrador Railway (QNSL), freight and passenger

Shortline and terminal railways

 * Arnaud Railway (ARND), freight
 * Bloom Lake Railway (BLRC), freight
 * Knob Lake & Timmins Railway (KLT), freight
 * Wabush Lake Railway (WLRS), freight

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