Railway companies of New York

List of railway companies in the American state of New York.

Companies based in the United States

 * Amtrak (AMTK), passenger on freight lines
 * Chesapeake Southern Railway (CHS), freight
 * Conrail (CR), freight and passenger
 * New York Western Railroad (NYW), freight
 * Pennsylvania Seaboard Railroad (PS), freight
 * Pere Marquette Railway (PM), freight

Companies based outside of the United States

 * Canadian National Railway (CN), freight

Regional railways

 * Long Island Rail Road (LIRR), freight and passenger
 * New York, Susquehanna & Western Railway (NYSW), freight

Shortline and terminal railways

 * Livonia, Avon & Lakeville Railroad (LAL), freight
 * Western New York & Pennsylvania Railroad (WNYP), freight

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