Railway companies of Mississippi

List of railway companies in the American state of Mississippi.

Class I railways

 * Amtrak (AMTK), passenger on freight lines
 * Burlington Northern & Gulf Railroad (BNG), freight
 * Chesapeake Southern Railway (CHS), freight
 * Gulf & Atlantic Railway (GA), freight and passenger
 * Kansas City-Santa Fe Railroad (KCSF), freight
 * New York Western Railroad (NYW), freight
 * Pennsylvania Seaboard Railroad (PS), freight
 * Union Pacific Railroad (UP), freight

Regional railways

 * West Tennessee Railroad (WTNN)

Shortline and terminal railways

 * Alabama Southern Railroad (ABS), freight
 * Golden Triangle Railroad (GTRA), freight
 * Grenada Railway (GRYR), freight
 * Meridian Southern Railway (MDS), freight
 * Mississippi Central Railroad (MSCI), freight
 * Mississippi Delta Railroad (MSDR), freight
 * Mississippi Export Railroad (MSE), freight
 * Mississippi Southern Railroad (MSR), freight
 * Mississippian Railway (MSRW), freight
 * Natchez Railway (NTZR), freight
 * Old Augusta Railroad (OAR), freight
 * Port Bienville Railroad (PBVR), freight
 * Ripley & New Albany Railroad (RNA), freight
 * Vicksburg Southern Railroad (VSOR), freight

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