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

 * Buffalo & Pittsburgh Railroad (BPRR), freight
 * Long Island Rail Road (LIRR), freight and passenger
 * New York, Susquehanna & Western Railway (NYSW), freight
 * Providence & Worcester Railroad (PW), freight and passenger

Shortline and terminal railways

 * Albany Port Railroad (APD), freight
 * Arcade & Attica Railroad (ARA), freight
 * Batten Kill Railroad (BKRR), freight
 * Buffalo Southern Railroad (BSOR), freight
 * Clarendon & Pittsford Railroad (CLP), freight
 * Depew, Lancaster & Western Railroad (DLWR), freight
 * Falls Road Railroad (FRR), freight
 * Finger Lakes Railway (FGLK), freight
 * Housatonic Railroad (HSRR), freight and passenger
 * Ithaca Central Railroad (ITHR), freight
 * Livonia, Avon & Lakeville Railroad (LAL), freight
 * Lowville & Beaver River Railroad (LBR), freight
 * Massena Terminal Railroad (MSTR), freight
 * Middletown & New Jersey Railroad (MNJ), freight
 * Mohawk, Adirondack & Northern Railroad (MHWA), freight
 * NJ Transit Rail Operations (NJTR), passenger
 * New York & Lake Erie Railroad (NYLE), freight
 * New York New Jersey Rail (NYNJ), freight and car floats
 * New York & Ogdensburg Railway (NYOG), freight
 * Ontario Central Railroad (ONCT), freight
 * Ontario Midland Railroad (OMID), freight
 * Owego & Harford Railway (OHRY), freight
 * Rochester & Southern Railroad (RSR), freight
 * Saratoga & North Creek Railway (SNC), freight and passenger
 * South Brooklyn Railway (SBK), freight
 * South Buffalo Railway (SB), freight
 * Staten Island Railway (SIR), freight and passenger
 * Wellsboro & Corning Railroad (WCOR), 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.