Railway companies of Michigan

List of railway companies in the American state of Michigan.

Companies based in the United States

 * Amtrak (AMTK), passenger on freight lines
 * New York Western Railroad (NYW), freight
 * North Western Pacific Railroad (NWP), freight and passenger
 * Pennsylvania Seaboard Railroad (PS), freight
 * Pere Marquette Railway (PM), freight

Companies based outside of the United States

 * Canadian National Railway (CN), freight
 * Canadian Pacific Railway (CP), freight
 * VIA Rail (VIA), passenger on freight lines

Regional railways

 * Indiana & Ohio Railway (IORY), freight

Shortline and terminal railways

 * Adrian & Blissfield Rail Road (ADBF), freight
 * Charlotte Southern Railroad (CHS), freight
 * Coopersville and Marne Railway (CMNY), freight
 * Delray Connecting Railroad (DC), freight
 * Detroit Connecting Railroad (DCON), freight
 * Grand Elk Railroad (GDLK), freight
 * Grand Rapids Eastern Railroad (GR), freight
 * Great Lakes Central Railroad (GLC), freight
 * Hamilton Northwestern Railroad (HNW), freight
 * Huron & Eastern Railway (HESR), freight
 * Indiana Northeastern Railroad (IN), freight
 * Jackson & Lansing Railroad (JAIL), freight
 * Lapeer Industrial Railroad (LPIR), switching
 * Michigan Shore Railroad (MS), freight
 * Michigan Southern Railroad (MSO), freight
 * Mid-Michigan Railroad (MMRR), freight
 * Mineral Range Railroad (MRA), freight
 * West Michigan Railroad (WMI), freight
 * Wyandotte Southern Railroad (WYS), freight

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